Toy windup key. Brass Metric square 2.50 or 2.75mm – Classic Tin Toy Co.
Wind-up key. One winding key used for clock and toys (3d render) | CanStock
Premium Vector | Exhausted employee recharged, power up or wind up to stimulate or motivate fatigue person concept, manager big hand turn wind up key or winder clockwork to motivate businessman office
Replacement Wind-Up Key for Large MARX Windup Toys - FREE SHIPPING!! | eBay