Delivery to
goods.your_address
VEVOR US EN/ USD
Select the country/region, language, and currency you prefer for shopping.
Hello, Sign in
Account & Order
Categories
Deals
Deals by Categories
Shop All Shop All Outdoors Outdoors
Appliances Appliances Automotive Automotive
Tools Tools Plumbing Plumbing
Electrical Electrical Building Materials Building Materials
Sports & Outdoors Sports & Outdoors Heating, Venting & Cooling Heating, Venting & Cooling
More Ways to Save
Bulk Savings
Bulk Savings
Clearance
Clearance
Best Sellers
Best Sellers by Categories
Shop All Shop All Outdoors Outdoors
Appliances Appliances Automotive Automotive
Tools Tools Plumbing Plumbing
Electrical Electrical Building Materials Building Materials
Sports & Outdoors Sports & Outdoors Heating, Venting & Cooling Heating, Venting & Cooling
New
New by Categories
Shop All Shop All Outdoors Outdoors
Appliances Appliances Automotive Automotive
Tools Tools Plumbing Plumbing
Electrical Electrical Building Materials Building Materials
Sports & Outdoors Sports & Outdoors Heating, Venting & Cooling Heating, Venting & Cooling
Inspiration & DIY
Inspiration
Inspiration
DIY Projects & Ideas
DIY Projects & Ideas
Find Store Near You
Member Club
Product Recall
Download VEVOR App
Get $5.00 Off $99.00+ Orders on Your First 3 App Orders
Scan the QR code to download
Home Sports & Outdoors Exercise Equipment Fitness Accessories

Search for "strength platform"

Sports & Outdoors
Building Materials
Playground Sets
Outdoors
Automotive
50 Results
Popular
Categories
Price
Under 30
30 ~ 50
50 ~ 100
100 ~ 200
200 & Above
Customer Rating
5 stars only
4 stars and up
3 stars and up
2 stars and up
1 star and up
Special Offers
On Sale
Bulk Savings
In Stock
Pickup
VEVOR Plyometric Jump Boxes, 12/18/24/30 Inch Plyo Box, Platform and Jumping Agility Box, Anti-Slip Fitness Exercise Step Up Box Set for Home Gym Training, Conditioning Strength Training, Red
(30)
196.9
196.9
Deal after registering
Member discounted price
0% cash back at checkout.
196.9
Non-PRO Account
196.9
Save
Non-PRO Account
In Stock.
Add to Cart
Quick look
VEVOR Power Cage Rack, Multifunctional Squat Rack for Home Gym, Width-Adjustable Workout Strength Training Equipment with 6 Band Pegs, Landmine Attachment & Safety Bars for Bench Press Squats Pull-Up
(4)
169.9
169.9
Deal after registering
Member discounted price
0% cash back at checkout.
169.9
Non-PRO Account
169.9
Save
Non-PRO Account
In Stock.
Add to Cart
VEVOR Folding Power Cage, Wall-Mounted Power Rack Squat Rack, Multifunctional Strength Training Workout Equipment with Landmine Holder, Adjustable J-Hooks & Pull-Up Bar for Home Gym, 1000LBS Capacity
(3)
176.9
176.9
Deal after registering
Member discounted price
0% cash back at checkout.
176.9
Non-PRO Account
176.9
Save
Non-PRO Account
In Stock.
Add to Cart
Quick look
VEVOR Power Cage Squat Rack, Multifunctional Power Rack Home Gym, 1000LBS Strength Training Workout Equipment with 4 Band Pegs, Adjustable J-Hooks & Safety Bars for Barbell Squat Bench Press Pull-Up
(4)
159.9
159.9
Deal after registering
Member discounted price
0% cash back at checkout.
159.9
Non-PRO Account
159.9
Save
Non-PRO Account
In Stock.
Add to Cart
VEVOR 3 in 1 Plyometric Jump Box, 24/20/16 Inch Wooden Plyo Box, Platform & Jumping Agility Box, Anti-Slip Fitness Exercise Step Up Box for Home Gym Training, Conditioning Strength Training, Black
(49)
68.9
68.9
Deal after registering
Member discounted price
0% cash back at checkout.
68.9
Non-PRO Account
68.9
Save
Non-PRO Account
In Stock.
Add to Cart
VEVOR 3 in 1 Plyometric Jump Box, 16/14/12 Inch Wooden Plyo Box, Platform & Jumping Agility Box, Anti-Slip Fitness Exercise Step Up Box for Home Gym Training, Conditioning Strength Training, Black
(49)
44.9
44.9
Deal after registering
Member discounted price
0% cash back at checkout.
44.9
Non-PRO Account
44.9
Save
Non-PRO Account
In Stock.
Add to Cart
VEVOR Plyometric Jump Box, 12 Inch Plyo Box, Steel Plyometric Platform and Jumping Agility Box, Anti-Slip Fitness Exercise Step Up Box for Home Gym Training, Conditioning Strength Training, Red
(30)
41.9
41.9
Deal after registering
Member discounted price
0% cash back at checkout.
41.9
Non-PRO Account
41.9
Save
Non-PRO Account
In Stock.
Add to Cart
VEVOR Plyometric Jump Boxes, 12/18/24 Inch Plyo Box, Platform and Jumping Agility Box, Anti-Slip Fitness Exercise Step Up Box Set for Home Gym Training, Conditioning Strength Training, Black
(30)
119.9
119.9
Deal after registering
Member discounted price
0% cash back at checkout.
119.9
Non-PRO Account
119.9
Save
Non-PRO Account
In Stock.
Add to Cart
VEVOR Foldable Push Cart Dolly, 700 lbs, Heavy Duty Platform Hand Truck with Wheels, High-Strength Steel, 2 Tier Moving Flatbed Cart, for Warehouse, Garage, Workshop, Office, 28.7 x 18.5 x 32.3 in
(2)
77.9
77.9
Deal after registering
Member discounted price
0% cash back at checkout.
77.9
Non-PRO Account
77.9
Save
Non-PRO Account
In Stock.
Add to Cart
VEVOR 3 in 1 Plyometric Jump Box, 30/24/20 Inch Wooden Plyo Box, Platform & Jumping Agility Box, Anti-Slip Fitness Exercise Step Up Box for Home Gym Training, Conditioning Strength Training, Black
(49)
114.9
114.9
Deal after registering
Member discounted price
0% cash back at checkout.
114.9
Non-PRO Account
114.9
Save
Non-PRO Account
In Stock.
Add to Cart
VEVOR Pull Up Bar, 330 LBS Power Tower Dip Station, Workout Dip Station with H-Shaped Stable Base & Assistance Platform, Adjustable 9 Level Height Pullup Stand for Back, 3-Level Adjustable Elbow Pads
(24)
186.9
186.9
Deal after registering
Member discounted price
0% cash back at checkout.
186.9
Non-PRO Account
186.9
Save
Non-PRO Account
In Stock.
Add to Cart
Quick look
VEVOR Balance Board, Wobble Board Trainer for Adults Foot & Ankle Strengthening, Non-Slip Wood Premium Wooden Balance Training Equipment, Compact with Storage Bag, Ideal for Physical Therapy Exercises
(11)
12.9
12.9
Deal after registering
Member discounted price
0% cash back at checkout.
12.9
Non-PRO Account
12.9
Save
Non-PRO Account
In Stock.
Add to Cart
VEVOR 3 in 1 Plyometric Jump Box, 16/14/12 Inch Cotton Plyo Box, Platform & Jumping Agility Box, Anti-Slip Fitness Exercise Step Up Box for Home Gym Training, Conditioning Strength Training, Black
(49)
51.9
51.9
Deal after registering
Member discounted price
0% cash back at checkout.
51.9
Non-PRO Account
51.9
Save
Non-PRO Account
In Stock.
Add to Cart
Quick look
VEVOR 4400 lbs Breaking Strength 100 FT Rope Pulley Hoist, 5:1 Lifting Power Heavy Duty Pulley System with 2pcs Soft Loops, Metal Wheels Bearing Structure, Block and Tackle for Lifting Heavy Objects
(14)
30.9
30.9
Deal after registering
Member discounted price
0% cash back at checkout.
30.9
Non-PRO Account
30.9
Save
Non-PRO Account
In Stock.
Add to Cart
VEVOR Plyometric Jump Boxes, 12/18/24 Inch Plyo Box, Platform and Jumping Agility Box, Anti-Slip Fitness Exercise Step Up Box Set for Home Gym Training, Conditioning Strength Training, Red
(30)
118.9
118.9
Deal after registering
Member discounted price
0% cash back at checkout.
118.9
Non-PRO Account
118.9
Save
Non-PRO Account
In Stock.
Add to Cart
Quick look
VEVOR Electric Hoist Support Arm, 660 lbs Max Load Capacity, Electric Hoist Holder Swing Arm with Pole, Steel Hoist Frame, 180° Swivel Scaffold Hoist Lifting Arm, Winch Hoist Arm for Workshop, Garage
(26)
59.9
59.9
Deal after registering
Member discounted price
0% cash back at checkout.
59.9
Non-PRO Account
59.9
Save
Non-PRO Account
In Stock.
Add to Cart
Quick look
VEVOR 8FT Folding Balance Beam for Kids, 200LBS Stable Support Gymnastics Floor Beam with Non-Slip Mats, Gymnastics Training Equipment with Anti-Slip Bottom and Carrying Bag for Home Gym, Mint Green
(6)
44.9
44.9
Deal after registering
Member discounted price
0% cash back at checkout.
44.9
Non-PRO Account
44.9
Save
Non-PRO Account
In Stock.
Add to Cart
Quick look
VEVOR LAT Pull Down Machine, 3-in-1 Row Cable Machine, Cable Machines Home Gym with 18-Level Height Adjustment, Wall-Mount Design, Load 500 lbs Lat Tower for Full-Body Workouts, Single-Arm Training
(1)
179.9
179.9
Deal after registering
Member discounted price
0% cash back at checkout.
179.9
Non-PRO Account
179.9
Save
Non-PRO Account
In Stock.
Add to Cart
VEVOR Plyometric Jump Box, 18 Inch Plyo Box, Steel Plyometric Platform and Jumping Agility Box, Anti-Slip Fitness Exercise Step Up Box for Home Gym Training, Conditioning Strength Training, Black
(30)
50.9
50.9
Deal after registering
Member discounted price
0% cash back at checkout.
50.9
Non-PRO Account
50.9
Save
Non-PRO Account
In Stock.
Add to Cart
Quick look
VEVOR Balance Board, Wobble Board Trainer for Adults 3-Level Adjustable Base, Premium Wooden Balance Training Equipment, Slip-Resistant Surface for Core Workout, Standing Desk Exercise, Home Gym, Yoga
(13)
35.9
35.9
Deal after registering
Member discounted price
0% cash back at checkout.
35.9
Non-PRO Account
35.9
Save
Non-PRO Account
In Stock.
Add to Cart
VEVOR Plyometric Jump Box, 18 Inch Plyo Box, Steel Plyometric Platform and Jumping Agility Box, Anti-Slip Fitness Exercise Step Up Box for Home Gym Training, Conditioning Strength Training, Red
(30)
46.9
46.9
Deal after registering
Member discounted price
0% cash back at checkout.
46.9
Non-PRO Account
46.9
Save
Non-PRO Account
In Stock.
Add to Cart
VEVOR 3 in 1 Plyometric Jump Box, 20/18/16 Inch Cotton Plyo Box, Platform & Jumping Agility Box, Anti-Slip Fitness Exercise Step Up Box for Home Gym Training, Conditioning Strength Training, Black
(49)
82.9
82.9
Deal after registering
Member discounted price
0% cash back at checkout.
82.9
Non-PRO Account
82.9
Save
Non-PRO Account
In Stock.
Add to Cart
Quick look
VEVOR 8FT Folding Balance Beam for Kids, 200LBS Stable Support Gymnastics Floor Beam with Non-Slip Mats, Gymnastics Training Equipment with Anti-Slip Bottom and Carrying Bag for Home Gym, Pink
(6)
46.9
46.9
Deal after registering
Member discounted price
0% cash back at checkout.
46.9
Non-PRO Account
46.9
Save
Non-PRO Account
In Stock.
Add to Cart
VEVOR Plyometric Jump Box, 12 Inch Plyo Box, Steel Plyometric Platform and Jumping Agility Box, Anti-Slip Fitness Exercise Step Up Box for Home Gym Training, Conditioning Strength Training, Black
(30)
40.9
40.9
Deal after registering
Member discounted price
0% cash back at checkout.
40.9
Non-PRO Account
40.9
Save
Non-PRO Account
In Stock.
Add to Cart
VEVOR 3 in 1 Plyometric Jump Box, 20/18/16 Inch Wooden Plyo Box, Platform & Jumping Agility Box, Anti-Slip Fitness Exercise Step Up Box for Home Gym Training, Conditioning Strength Training, Black
(49)
65.9
65.9
Deal after registering
Member discounted price
0% cash back at checkout.
65.9
Non-PRO Account
65.9
Save
Non-PRO Account
In Stock.
Add to Cart
VEVOR Plyometric Jump Boxes, 12/18/24/30 Inch Plyo Box, Platform and Jumping Agility Box, Anti-Slip Fitness Exercise Step Up Box Set for Home Gym Training, Conditioning Strength Training, Black
(30)
189.9
189.9
Deal after registering
Member discounted price
0% cash back at checkout.
189.9
Non-PRO Account
189.9
Save
Non-PRO Account
In Stock.
Add to Cart
Quick look
VEVOR 8FT Folding Balance Beam for Kids, 300LBS Stable Support Gymnastics Floor Beam with Non-Slip Mat, Wood-Core Gymnastics Training Equipment with Anti-Slip Bottom & Carry Bag for Home Gym, Galaxy
(6)
62.9
62.9
Deal after registering
Member discounted price
0% cash back at checkout.
62.9
Non-PRO Account
62.9
Save
Non-PRO Account
In Stock.
Add to Cart
Quick look
VEVOR Swedish Ladder Wall Gym, 10-Level Solid Wood Indoor Jungle Gym, 220lbs Loading Indoor Playground Climbing Ladder for Kid Adults, Gymnastic Stall Bars with Pull-Up Bar - Ideal Gift for Boys Girls
(11)
139.9
139.9
Deal after registering
Member discounted price
0% cash back at checkout.
139.9
Non-PRO Account
139.9
Save
Non-PRO Account
In Stock.
Add to Cart
Quick look
VEVOR Work Platform, 3 Gear Adjustable Height, Folding Alloy Steel Step Ladder, Portable Scaffolding Platform, 400 lb Load Capacity, Non-Slip Rubber Feet, Drywall Painting Stool, for Cleaning &Washing
(31)
63.9
63.9
Deal after registering
Member discounted price
0% cash back at checkout.
63.9
Non-PRO Account
63.9
Save
Non-PRO Account
In Stock.
Add to Cart
Deals
VEVOR Forklift Safety Cage, 1400lbs Load Capacity, 43'' x 45'' Forklift Work Platform with Safety Harness & Lock, Drain Hole & Wheels & Tool Basket, Dual Nonslip Design Perfect for Aerial Work
(440)
362.81
499.9
Deal after registering
Member discounted price
0% cash back at checkout.
362.81
Non-PRO Account
362.81
Save
Non-PRO Account
In Stock.
Add to Cart
Quick look
VEVOR Aerobic Exercise Step Platform, 28-Inch Workout Aerobic Stepper, Height Adjustable Fitness Training Step Deck Trainer with 4 Risers, Non-Slip Surface Bench for Home Gym Cardio Strength, Gray
(17)
33.9
33.9
Deal after registering
Member discounted price
0% cash back at checkout.
33.9
Non-PRO Account
33.9
Save
Non-PRO Account
Almost sold out
Add to Cart
Quick look
VEVOR Tree Climbing Spikes Set, Height-Adjustable Tree Climbing Gear with Straps & Spike Protectors, 350 lbs Load Capacity, Durable Aluminum Climb Spurs Arborist Equipment for Fruit Picking Hunting
(16)
149.9
149.9
Deal after registering
Member discounted price
0% cash back at checkout.
149.9
Non-PRO Account
149.9
Save
Non-PRO Account
In Stock.
Add to Cart
Quick look
VEVOR Aerobic Exercise Step Platform, 28-Inch Workout Aerobic Stepper, Height Adjustable Fitness Training Step Deck Trainer with 4 Risers, Non-Slip Surface Bench for Home Gym Cardio Strength, Blue
(17)
34.9
34.9
Deal after registering
Member discounted price
0% cash back at checkout.
34.9
Non-PRO Account
34.9
Save
Non-PRO Account
In Stock.
Add to Cart
Quick look
VEVOR Aerobic Exercise Step Platform, 28-Inch Workout Aerobic Stepper, Height Adjustable Fitness Training Step Deck Trainer with 4 Risers, Non-Slip Surface Bench for Home Gym Cardio Strength, Red
(17)
34.9
34.9
Deal after registering
Member discounted price
0% cash back at checkout.
34.9
Non-PRO Account
34.9
Save
Non-PRO Account
In Stock.
Add to Cart
VEVOR Folding Work Platform, 330 lbs Load Capacity, Aluminum Drywall Stool Ladder, Heavy Duty Work Bench w/ Non-Slip Feet, Ideal for Washing Vehicles, Cleaning, Painting, Decorating
(35)
59.9
59.9
Deal after registering
Member discounted price
0% cash back at checkout.
59.9
Non-PRO Account
59.9
Save
Non-PRO Account
In Stock.
Add to Cart
Quick look
VEVOR Swedish Ladder Wall Gym, 9-in-1 12-Level Solid Wood Gymnastic Stall Bars for Kids Adults, 220LBS Indoor Jungle Gym with Rock Climbing Wall, Gym Rings, Pull-Up Bar, Climbing Board, Slide, Swing
(1)
354.9
354.9
Deal after registering
Member discounted price
0% cash back at checkout.
354.9
Non-PRO Account
354.9
Save
Non-PRO Account
In Stock.
Add to Cart
Quick look
VEVOR Tree Climbing Spikes, Height-Adjustable Tree Climbing Gear with Straps & Padding Cushion, 350 lbs Load Capacity, Heavy Duty Steel Climb Spurs Arborist Equipment for Fruit Picking Hunting
(16)
127.9
127.9
Deal after registering
Member discounted price
0% cash back at checkout.
127.9
Non-PRO Account
127.9
Save
Non-PRO Account
In Stock.
Add to Cart
Quick look
VEVOR Work Platform, 4 Gear Adjustable Height, Folding Alloy Steel Step Ladder, Portable Scaffolding Platform, 880 lb Load Capacity, Non-Slip Rubber Feet, Drywall Painting Stool, Cleaning & Washing
(31)
119.9
119.9
Deal after registering
Member discounted price
0% cash back at checkout.
119.9
Non-PRO Account
119.9
Save
Non-PRO Account
Almost sold out
Add to Cart
Quick look
VEVOR Work Platform, 4 Gear Adjustable Height, Folding Alloy Steel Step Ladder, Portable Scaffolding Platform, 800 lb Load Capacity, Non-Slip Rubber Feet, Drywall Painting Stool, Cleaning & Washing
(31)
99.9
99.9
Deal after registering
Member discounted price
0% cash back at checkout.
99.9
Non-PRO Account
99.9
Save
Non-PRO Account
In Stock.
Add to Cart
VEVOR Folding Work Platform, 660 lbs Load Capacity, Aluminum Drywall Stool Ladder, Heavy Duty Work Bench w/ Non-Slip Feet, Ideal for Washing Vehicles, Cleaning, Painting, Decorating
(35)
106.9
106.9
Deal after registering
Member discounted price
0% cash back at checkout.
106.9
Non-PRO Account
106.9
Save
Non-PRO Account
In Stock.
Add to Cart
Deals
Quick look
VEVOR Balance Board, 360° Rotating Wobble Board Trainer for Adults 3-Level Adjustable, Wooden Balance Training Equipment, Slip-Resistant Surface for Core Workout, Standing Desk Exercise, Home Gym
(11)
34.91
38.9
Deal after registering
Member discounted price
0% cash back at checkout.
34.91
Non-PRO Account
34.91
Save
Non-PRO Account
In Stock.
Add to Cart
Quick look
VEVOR Aerobic Exercise Step Platform, 28-Inch Workout Aerobic Stepper, Height Adjustable Fitness Training Step Deck Trainer with 4 Risers, Non-Slip Surface Bench for Home Gym Cardio Strength, Green
(17)
34.9
35.99
Deal after registering
Member discounted price
0% cash back at checkout.
34.9
Non-PRO Account
34.9
Save
Non-PRO Account
Out of Stock
Notify Me Registered
Quick look
VEVOR 8FT Balance Beam for Kids, 350 LBS Stable Support Gymnastics Floor Beam with Non-Slip Wooden Mats, Wood-Core Gymnastics Training Equipment with Anti-Slip Bottom for Home and Gym, Yellow
(6)
122.9
105.99
Deal after registering
Member discounted price
0% cash back at checkout.
122.9
Non-PRO Account
122.9
Save
Non-PRO Account
Out of Stock
Notify Me Registered
Quick look
VEVOR Electric Lifting Column System, 176 lbs Lift Table, 14.2-31.1 in Height Range, Three-stage Adjustable Desk Column, Telescopic Table Leg, Comes with Power-Supply Option to Control up/Down Motion
(27)
182.9
182.9
Deal after registering
Member discounted price
0% cash back at checkout.
182.9
Non-PRO Account
182.9
Save
Non-PRO Account
In Stock.
Add to Cart
Quick look
VEVOR Weight Sled, Steel Power Sled, Fitness Strength Training Sleds for Athletic Exercise Speed Improvement, Workout Fitness Equipment with Handle, Compatible with 1/2 in Weight Plates, Orange
(21)
72.9
72.9
Deal after registering
Member discounted price
0% cash back at checkout.
72.9
Non-PRO Account
72.9
Save
Non-PRO Account
In Stock.
Add to Cart
Quick look
VEVOR Swedish Ladder Wall Gym, 9-Level Swedish Ladder Suspension Trainer, 330LBS Loading Solid Wood + Carbon Steel Gymnastics Stall Bars for Adult, Compatible with 3.15" x 3.15" Power Rack Accessories
(1)
142.9
142.9
Deal after registering
Member discounted price
0% cash back at checkout.
142.9
Non-PRO Account
142.9
Save
Non-PRO Account
In Stock.
Add to Cart
Deals
Quick look
VEVOR Electric Lifting Column System, 260 lbs Lift Table, 14.2-31.1 in Height Range, Three-stage Adjustable Desk Column, Telescopic Table Leg, Comes with Power-Supply Option to Control up/Down Motion
(27)
250.69
375.9
Deal after registering
Member discounted price
0% cash back at checkout.
250.69
Non-PRO Account
250.69
Save
Non-PRO Account
In Stock.
Add to Cart
Quick look
VEVOR Work Platform, 4 Gear Adjustable Height, Folding Alloy Steel Step Ladder, Portable Scaffolding Platform, 800 lb Load Capacity, Non-Slip Rubber Feet, Drywall Painting Stool, Cleaning & Washing
(31)
109.9
109.9
Deal after registering
Member discounted price
0% cash back at checkout.
109.9
Non-PRO Account
109.9
Save
Non-PRO Account
In Stock.
Add to Cart
Quick look
VEVOR Swedish Ladder Wall Gym, 2-in-1 10-Level Indoor Jungle Gym, 220LBS Loading Solid Wood Gymnastic Stall Bars for Kids & Adults, Indoor Playground Climbing Playset with Pull-Up Bar, Wall Ladder
(1)
137.9
137.9
Deal after registering
Member discounted price
0% cash back at checkout.
137.9
Non-PRO Account
137.9
Save
Non-PRO Account
In Stock.
Add to Cart
Quick look
VEVOR Weight Sled, Steel Power Sled, Fitness Training Sleds for Athletic Exercise Speed Improvement, Workout Equipment with Adjustable Height Handle, Compatible with 1/2 in Weight Plates, Orange
(36)
105.9
105.9
Deal after registering
Member discounted price
0% cash back at checkout.
105.9
Non-PRO Account
105.9
Save
Non-PRO Account
In Stock.
Add to Cart
Related searches
plyo boxes eight inch strength exercises for boxing platform steps step platform box for exercise at home exercise fitness fitness training exercise gym exercise stepping stool ladder box exercises boxing exercise exercise and fitness fitness box jumps fitness plyometric box box step exercise plyometric exercise
See more
VEVOR Plyometric Jump Box, 12 Inch Plyo Box, Steel Plyometric Platform and Jumping Agility Box, Anti-Slip Fitness Exercise Step Up Box for Home Gym Training, Conditioning Strength Training, Black
In Stock.
Add to Cart
1
You May Also Like
Today's Deals For You
Recently Viewed
Tips & Inspiration
Recommended Searches
platform box 24 black non slip plyometric platform 24 18 in platform box 12 in platform plyometric platform box 24 inch platform 12 gym 3 step platform fitness platform 12 24 inch gym box 12 inch box 24 in plyometric platform gyms for toddlers plyo 20 inch platform 18 jumping platform 24 inch plyometric paper organizer compartments 24 slot 12 inch jumping box 18 in platform plyometric boxes for jumping 18