VEVOR Dog Agility Hurdle Cone Set, 6 PCS Kit-12 x Cones, 6 x Agility Rods, Agility Training Equipment with Height Adjustable Crossbar, Puppy Obstacle Course Jump Starter with Cones Storage Bag

The product description states that this set is flexible for anywhere use, indoors or outdoors. Customers agree that it is versatile with one writing that they use them indoors and at a trainer's outdoor facility.

I did not find any information about interchangeability with other sets in the product description or customer reviews.

Yes, the cones are adjustable for different heights. The product description states, "The height of the cones is adjustable, and the jump rods can be customized using side clips."

Yes, it comes with a storage bag. The product includes a pole storage bag and a cone storage bag for easy carrying and transportation.