Whether they rock it, roll it, sit in it or stand... kids want to move with Teeter Popper! A cinch to maneuver - stand, sit, rock, tilt, wobble, wiggle, spin. How children play is however they choose. Kids find themselves teetering on the brink of perfect physical play. No special skills needed. In playful exploration, Teeter Popper improves core strength, stability, leg strength, balance, coordination and gross-motor skills.