Description: DIY assembled pulley model toy kits, educational physics mechanics experiments science toy Primary school student physics teaching aids, exploring pulley mechanics experiments game Develop children's hand & eye coordination, and help children experience the theory of power, expand kids scientific & mechanical interest Cool designed DIY scientific toy gifts for kids Main Material: Plastic Color?Random Color Specification: Need to be assembled by yourself: assemble the model as the pictures shown Size Chart: Assembled size (L*W*H) Approx 10*4*10cm/ 3.93*1.57*3.93 inch Package Includes: 1 Set DIY Pulley Toy (with assembled picture instructions) Note: Due to the manual measurement, please allow 1-2mm differences in size Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand
