From the manufacturer

Age 3+ 5+ 6+ 9+ 9+ 14+
Min Weight n/a 40 lbs 40 lbs 80 lbs 80 lbs 120 lbs
Max Weight 250 lbs 80 lbs 80 lbs 160 lbs 160 lbs 210 lbs
Skill Level Beginner Easy Easy Medium Medium Expert
Features Bouncy fun Foam covered Cool designs Classic trick pogo New and improved Heavy duty