Simple Machines - Science Experiments for School - How to make a pulley - Spinning Wheel Well Model

Simple Machines - Science Experiments for School - How to make a pulley - Spinning Wheel Well Model - How to make a pulley Tools and Materials: 1 plastic bottle 1 syringe Hot glue, string, drill, cardboard, pencil instagram: https://instagram.com/inventor_man?ig... #inventions #inventions #do it yourself