The DIY Gear Rotating Hand Crank Butterfly Science Technology Toy Set is a fantastic way to engage children in hands-on learning. By building their own butterfly, children can develop their fine motor skills and spatial awareness. The manual hand crank mechanism not only promotes physical activity but also teaches children the concept of . This toy sparks imagination and creativity, allowing children to experiment with different gear combinations and observe the resulting wing movements. It is an educational and entertaining toy that will keep children engaged for hours. Features -Color:White -Material:Wood -Size:18.00X16.00X12.00cm/7.07X6.29X4.72in -Inspires children's curiosity and creativity in the field of science through the construction of a diy hand cranked butterfly. -Develops children's hands-on skills and problem-solving abilities by engaging them in the process of assembling. -Sparks your children's interest in DIY toys as they learn about and their own butterfly with this diy toy. -Strengthens the parent-child relationship through collaborative creation of the butterfly. This butterfly is fun to play. -Combines entertainment and education, leading to improved learning abilities for children with this toy diy set. Package list: 4 x set of DIY science butterfly material