Description This mechanical gears toy set through hands-on model making. Featuring gears for models, plastic gear for toys, and a variety of replacement gears for toys, children and adults can build mechanical assemblies that enhance spatial awareness and fine motor skills in educational and play environments. Features -Color:White -Material:Plastic -Size:0.50X0.50X0.20cm/0.20X0.20X0.08in -Enhance creativity: these mechanical gears for models stimulate imagination and hands on ability, making them ideal for childrens science learning gear and creative toy projects -Precise fit: each plastic gear for toys features practical design, ensuring smooth operation and tight fitting for building gears in various model toy gear assemblies -Plastic material: made from plastic materials, our toy replacement gear is wear resistant and designed for longevity in frequent diy projects gear applications -Versatile application: the gear kit offers multiple gear sets that can be mixed and matched, suitable for hobby gear for toys that cater to different ages and interests -Educational value: science learning gear helps kids develop stem skills while playing. perfect for gear building toy set activities in both educational and entertainment scenariosPackage list: 25 x plastic gears