Size S fits head size 17–19.7 in (43–50 cm) for toddler 1-3 years; Size M fits head size 19.3-21.7in (49-55 cm) for kids 3-8 years.
Kids Fun Stationary Bike, Toddler Workout Equipment Kids Workout Equipment, Kids Exercise Bike Suitable for 3 to 8 Years Old Kids
Kids Fun Stationary Bike, Toddler Workout Equipment Kids Workout Equipment, Kids Exercise Bike Suitable For 3 To 12 Years Old Kids
Toddler Workout Exercise Equipment Stationary Bikes, Fun and Fitness Kids Exercise Bike Equipment, Kids Exercise Bike, Suitable for 3 to 8 Years Old Kids
Kids Bike Helmet Toddler Helmets for Ages 3-8 Years Old Girls Small Light Pink
Fun and Fitness Exercise Equipment for Kids, Toddler Workout Equipment Kids Stationary Bike Suitable for 3 to 8 Years Old Kids
