Description This pulley set and bracket kit is a comprehensive teaching tool for middle school physics mechanics experiments. It includes a pulley set with adjustable height support, hook weights, and force gauge. This kit is designed to facilitate hands-on learning and practical demonstrations of various mechanical principles. It provides students with the necessary equipment to explore concepts such as force, tension, and mechanical. Features -Color:multicolor -Material:Plastic, iron - Size: 40.00X16.00X9.50cm/15.72X6.29X3.73in - Size: 20.00X3.50X2.00cm/7.86X1.38X0.79in - Size: 2.50X2.50X2.50cm/0.98X0.98X0.98in -Multi-functional teaching tool: including pulley set, bracket, hook weights , and other experimental equipment, suitable for physics and mechanics experiments. -Made of stable materials, durable, and the set is able to withstand greater forces. -Adjustable height bracket: The height of the bracket can be adjusted to facilitate the experiment of different heights. -Simple operation: designed to be simple and easy to understand, suitable for beginners to use, and help students better understand the principles of physical mechanics. -This pulley set and bracket kit is an essential resource for middle school physics classrooms. Package list: 1 x pulley stand 1 x scale 2 x straps 2 x double pulleys 2 x single pulleys 4 x hooks 10 x hook weights 50g