The science learning toy is suitable for classroom demonstrations and individual projects. It offers a comprehensive understanding of mechanical systems, making complex theories more accessible. The kit's interactive nature keeps students engaged, promoting active learning and retention of scientific principles. Features -Color:Light Yellow -Material:Wood -Size:31.00X10.00X10.00cm/12.18X3.93X3.93in -Note: battery is not included -Hands-on learning science kit: the diy pulley crane project encourages hands-on learning, helping children grasp complex physical concepts -Complete science kit: the kit includes everything needed for various science experiments, making it easy for children to start exploring -Easy assembly science kit: designed for straightforward assembly, it allows parents and children to work together on education projects -Durable and safe science kit: constructed from sturdy wood, the kit is both safe for children and durable for repeated use -Ideal for education: suitable for classroom settings or home learning, providing a practical approach to understanding physics Package list: 2 x set of homemade pulley set