Our stunning Giant Toddler Gear is made out of premium Baltic Birch Plywood. Children use gears to learn that small movements can have a big effect in a large environment. The panel of our Giant Toddler Gear measures 41" in length and 17" in height. The diameter of the big gear is 23" and the diameter of the small gear is 16". Mount it on a wall close to the floor. For 12-36 months old toddlers.