This toy accessory is designed to replace or upgrade the movement in your toys, a unique wing-flapping action. The clockwork mechanism is simple to use, just pull the string to activate the wings. for DIY projects, it allows you to personalize and repair toys, adding a touch of whimsy and movement to your creations. Features -Color:White -Material:Plastic -Size:8.50X6.00X2.40cm/3.34X2.36X0.94in -Innovative mechanism: the pullstring wing movement mechanism brings a unique interactive element to toys, inspiring creativity in kids -Sturdy construction: made with robust plastic, it ensures longevity and durability, for long term use -Effortless assembly: the straightforward installation process allows parents to enhance toys with minimal effort -Adaptable play: suitable for different environments, it serves as an engaging playmate, fostering parent-child connections -Useful: encourages children to explore basic physical principles through practical engagement, promoting scientific curiosity Package list: 6 x diy movements