This is a clockwork movement, mainly made of sturdy and material. This clockwork movement is safe to use and easy to operate. Can provide your DIY craft with better working performance. This clockwork movement is made with craftsmanship and will serve you well. Features -Color:White -Material: plastic -Size:4.50X3.50X3.50cm/1.77X1.38X1.38in - The preferred material allows the movement can be repeatedly used for longer. - The clockwise movement can replace the old or broken one, and easy for repairing toy. - You can play the movement on the desk, and combine your clay work and this movement, a nice combination. - Cultivate children's practical ability, mental ability, interests and hobbies with this clockwork movement. - This clockwork movement is the perfect DIY gift, will bring surprise to your friends. Package list: 8 x Movements