DescriptionAre you looking for a children's educational toy that is both fun and useful? Then you must not miss our product, exquisite workmanship, high grade, exquisite design, both beautiful and practical. Can cultivate children's spatial perception of shapes and objects. It is your best choice.Features-Color:As Shown -Material:Wood, plastic -Size:33.50X8.00X0.20cm/13.17X3.14X0.08in -Homemade hydraulic clamp model, very suitable for children to understand PASCAL's laws and principles and know the hydraulic transmission of DIY toys.-This novel handmade educational toy wood clamp model can help you practice the hand skills and brain of your kids. -The edges and corners of the product are smooth, so as to avoid injuries to children during operation. -A good piece of technology can not only bring unlimited fun to children, but also improve their cognitive ability.-A perfect gift for your kids during the festival, and you can make the interesting toy with you kids to enhance the relationship.