My First Flybar Pogo Pals Hopper Balls are the fun and bright way to hop about! Get kids active on these durable 700 gm hopper balls. Kids will love hopping on their favorite Pogo Pals characters like Frida The Fox, Frankie the Frog, Ursula the Unicorn and Manny the Monkey. My First Flybar Hopper Balls are made to last. The durable 700gm vinyl will support kids hopping and bouncing everywhere. A textured, rugged bottom and handle provides stability and a secure grip. The 18" inch/45cm in diameter Hopper balls are sized for children aged 3+. The 22" inch/55cm in diameter Hopper balls are sized for children aged 6+. The 24" inch/60cm in diameter Hopper balls are sized for children aged 10+ . My First Flybar Hopper Balls are easily inflated with the included hand pump and even includes a measuring tape for inflation. Hopper balls deflate easily for compact storage. Use indoor and outdoor.