Mode 1 - Children at least ages 6 months+ (able to sit upright unassisted), with a maximum weight of 40 lb / 18.1 kgMode 2 - Children at least ages 6 months+ (able to sit upright unassisted), with a maximum weight of 40 lb / 18.1 kgMode 3 - Children able to walk unassisted, with a maximum weight of 100 lb / 45.4 kg