In this pack you will get 91 items for school student. school students can try to make different type science experiment using this kit. They can also mini electricity generator and different type of school science project using this 1pcs 4-12v dynamo motor, 1pcs 4v-12v high rpm dc motor ( maximum rpm 12v=11600rpm), 1pcs 3.7v 1200mAh high quality lithium-ion battery, 1pcs 5v 1amp Type-C charging module( maximum input 5v 2amp ), 1 pcs high quality Type - C charging cable, 10pcs different color LED, 10pcs 1k resistance, 1pcs Continuity tester, 10pcs 4v DC aluminum slot Rigid strip LED, 1pcs 9V hw battery, 1pcs battery cap, 15Pcs Multi-color Rubber Band, 2Pcs 4-12v motor Pully, 3Pcs dynamo motor Pully, 5pcs zip-tie, 2pcs small size clip, 1pcs toy motor, 5pcs small size fan, 2pcs 3v-6v high rpm DC motor, 3pcs 3 watt 3-3.7v white SMD LED with heatsink, 5pcs 10ohm resistance, 5pcs multi-color wire, 5pcs on/off switch. this type of work upgrade their general knowledge, help to increase their creative thinking and memory building. This extensive range of components can foster creativity and problem-solving skills by allowing learners to experiment with different electronic configurations. So, students can use the dynamo motor to create a small, functional generator, providing a hands-on understanding of energy conversion and mechanical engineering principles.