1PREMIUM MATERIAL: The motion force experimental model is made of excellent PVC material, which is not easy to rust an sturdy, lightweight and flame retardant 2SIMPLE INSTALLATION: Inclined trolley experimental equipment demonstrator is compact and lightweight, easy to install and very convenient to use 3INCREASE HANDS ON ABILITY: The motion and force tester is designed and developed according to the new teaching requirements in the compulsory education curriculum and the new standard, which can carry out some research activities of motion and force, and help students change from imagination to hands on experiments, and analyze and observe experiments 4SCIENTIFIC AND EDUCATIONAL: Inclined car experiment teaching tool can cultivate students thinking ability and make them learn a method of exploring physical laws, that is, the research method of experiment and speculation 5WITH FITTINGS: Inclined trolley experimental equipment equipped with towel, hard box, corrugated paper, small steel ball, rope, etc., easy for you to install and use, complete accessories guarantees convenient to operate 2 x Track 2 x Support Bracket 1 x Small Car 1 x Towel 1 x Hard Box 1 x Corrugated Paper 1 x Small Steel Ball 1 x Rope Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin