Crenstone Exclusive Monster Hopper Outdoor Toy 2 Pack Set - Bundle of Includes 2 Monster Hopper 15" Balls, Stickers & More | Outdoor Toys for Toddler Parties. This Monster Hopper outdoor toy set includes 2 inflatable Monster hopper balls that measures 15" when inflated. It includes one pink and one blue hopper ball toy. The Monster Hopper ball will have children bouncing around in fun for ages. Each ball has a handle for ease to carry around to a park, in the home, or to a grassy area. This Monster Hopper ball is a great, fun way to get kids active and exercising and are durable enough to use inside or outside. Kids love the fun, colorful graphics featuring these crazy monster faces. Officially licensed Monster Hopper toys and games set for kids also includes bonus Create-a-Face sticker book as well as a Beach Kids castle door hanger.