Makers and tinkerers, this 82-piece gear kit is your new best friend for DIY projects! You get everything from spindles and crown gears to pulleys, racks, bevel gears, axles, tires, and rubber bands. Most components have 2mm apertures (with a few exceptions noted in the specs), made from durable plastic that can handle plenty of use. Perfect for building robots, repairing RC cars and helicopters, or creating mechanical models for science education. The variety of parts means you can experiment with different gear ratios and mechanisms. Whether you're a student learning about mechanics, a hobbyist building custom projects, or someone who just loves taking things apart and putting them back together, this kit provides the essential components you need. The quality materials ensure good wear resistance, so your creations will actually work and last. Spark creativity and learn mechanical principles hands-on with this comprehensive gear collection that's perfect for workshops, classrooms, or home makerspaces.