Condition: 100% Brand NewItem Type: Scale Toy Type: DIY Lever Principle Scale Experiment Type: PhysicsMaterials: Paper, ABS environmental friendly plastic and other materials.Installation Steps:1. Insert the column into the base, and then fix the scale on the column with a small shaft2. Insert the compass into the round hole at the bottom of the scale, then take three plastic ropes, insert one end into the small hole of the dish, and the other end into the round hole at the bottom of the hook.3. Put the small weight around you into the dish on one side of the scale, and put a weight on the other side to balances the scale; Then hanging different amounts of weights at different positions on the scale and observe. What do you find? .wang-edit-text{ font-family:'Arial' important; } .wang-edit-text table { border-top: 1px solid 000; border-left: 1px solid 000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid 000; border-right: 1px solid 000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }