Features: Discover possibilities with our 82pcs plastic gear set, perfect for DIY tech model projects that enhances creativity and hands on skills. Crafted from high quality POM material, these durable gears come in various sizes to meet diverses project needs and ensure easy assembly. Suitable for students, engineers, and hobbyists who are passionate about DIY technology models. Perfect for use in schools, laboratories, or home, this gear set is great for educational purposes, entertainment, or display. Unleash your imagination and bring your innovative to life with this gear Kits, a must have addition to any model making toolkit. Specifications: Component:POM Length:30mm/50mm/70mm/100mm Package Includes: 82Pcs Plastic Gear note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.