Bounce solo and work your way around the climber or grab on and jump with friends. Kids cannot get enough of it. You'll never hear “I'm bored” again! engineer-designed powder coated steel pole system with sturdy base for jumping stability and rubber inner tube. Safer than a trampoline or bounce house, takes up less space, Easy to change location or move from indoor to outdoor. Weather resistant For outdoor use and can be used indoors on flooring or carpet. Recommended for ages 2+.