상품간략설명 :The G.E.T. Clock was created by using a system of rotating Gears, a precision Escapement mechanism and a Tourbillion movement that increases accuracy.
상품간략설명 :This sophisticated machine converts continuous reciprocating motion into rotary motion. It is an innovative mechanism that will lift heavy objects using less power.
상품간략설명 :This helical design is based on the 1480's drawing of Leonardo Da Vinci. The rotor blades on the helicopter were to be operated by a pilot using his arms and legs.
상품간략설명 :It was designed to be powered by a man lying horizontally, using his arms and legs to move the wings. On this replica, wind it up and watch the wings flap.
상품간략설명 :It uses the elasticity of rubber bands to hurl scale-sized "boulders" up to 10ft and more. As a weapon of war, it took its power from the bow-shaped body and launch arm.