Safety rules: Must be 3 years or older and measuring a minimum of (1.07 m) 42'' tall. Children measuring less than (1.22 m) 48'' tall will be admitted as long as they are wearing a personal flotation device and are accompanied by an adult. Riders must be seated with their feet in front holding handles with both hands at all times. Maximum weight per inner tube is (453 kg) 1000 lb. Glasses with straps are permitted. Not recommended for people with heart conditions, back or neck problems.