This versatile toy mechanism is suit for crafting legged robot or wind-up toys, offering a sturdy base for creative designs. Its clockwork functionality ensures consistent movement, making it a great addition to party favors or stocking stuffer presents. Encourage kids to explore engineering concepts through engaging DIY activities. Features -Color:White -Material:Plastic,metal -Size:4.50X4.50X3.50cm/1.77X1.77X1.38in -Stimulates creativity: this windup mechanism allows kids to design and build their own toys, sparking creativity and providing a sense of achievement with every completed project -Easytouse mechanism: the straightforward windup design ensures that even beginners can create moving toys effortlessly, making it suitable for all skill levels -Educational and fun: combines learning and play by teaching basic mechanical principles while offering hours of entertainment through crafting activities -Ideal for diy enthusiasts: whether you're a hobbyist or a parent looking for engaging activities, this kit is suit for creating unique, functional toys with a personal touch - and reliable: made from plastic, this mechanism is designed to withstand repeated use, ensuring longterm fun and and adults Package list: 15 x Wind up Toy Mechanisms