Description The physics teaching set is convenient and practical, with great texture, and can be used for a long time without being easily damaged. The exquisite craftsmanship can serve you well without breaking easily. This physics experiment pulley block is a very practical accessory for your needs. Features -Color:Multi -Material:Wood, plastic -Size:25.00X10.00X10.00cm/9.82X3.93X3.93in -Enhance your children's observation, thinking, and analytical skills with this pulley block stand. -The physics teaching set is constructed from durable materials, this product is built to last. -This teaching pulley block set is both enjoyable and educational, allowing children to exercise their practical abilities -The learning scientific concept is an excellent early educational accessory for kids -This educational toy is perfect for kids and students, providing a fun and engaging way to learn Package list: 2 x Sets of DIY Crane Making Materials