Our wooden toy helicopter is just the right size for little hands. All the wheels spin freely, even the propeller on top spins. The helicopter is made from solid cherry wood. The propeller and wheels are made from maple wood. Each toy helicopter is sanded smooth and I hand rub on our homemade wood finish. The wood finish is made from organic jojoba oil and all natural beeswax. The helicopter measures Length: 5 1/2 inches Width: 2 inches Height: 3 1/2 inches Propeller width: 3 1/2 inches