Amazon.com: Moon Shoes Bouncy Shoes, Mini Trampolines for Your Feet, One Size, Black, New and Improved, Bounce Your Way to Fun, Very Durable, No Tool Assembly, Athletic Development, up to 130 lbs :
Amazon.com: HearthSong Jump2It Bouncy Spring Shoes, Kangaroo Jumping Shoes, Non-Slip Moon Shoes Indoor/Outdoor Active Play, 150 lbs. Ages 5 and Up, Large, Electric Blue : Toys & Games