Redxiao DIY Scientific Model Plastic Gear Set - Easy Clean Small Gears for Experiment Projects, STEM Educational Toy, Perfect Gift for Young Adults & Teens (Outdoor/Indoor Science Activities)

Feature:1. Use with plastic accessories for DIY toys.2. Made of high quality ABS plastic, impact resistant, durable in use.3. Safe and non-toxic, rest assured to use.4. 85 gear accessories, enough to handle a wide range of products.5. Simple installation, easy to use.Spec:Item Type: Toy AccessoriesMaterial: ABS plasticSector Gear(4 Kinds): 28-tooth sector, 21-tooth sector, 15-tooth sector, 12-tooth sectorWorm Gear(3 Kinds): 6-6, 6-7, 6-8Blue Spindle(4 Kinds): D hole 3, 4mm hole, round hole 2.3, 3.17mm hole spindleLarge Pulley(1 Kind): 363A2AB pink pulleyClutch Gear(2 Kinds): 163A clutch straight teeth, 263B clutch gearColorful Shaft Sleeve(4 Kinds): Three 3-way (blue, green, yellow), one white 4-wayLong Spindle Gear(1 Kind): 102A longPackage List:4 x Gear3 x Worm Gear4 x Blue Spindle1 x Large Pulley2 x Clutch Gear4 x Colorful Shaft Sleeve1 x Long Spindle Gear1 x Copper Gear1 x Bevel gear 1 x Rack 3 x Shaft Sleeve3 x Belt19 x Double-Layer Gear 8 x Spindle Gear 4 x Pulley 15 x Single-Layer Gear 14 x Crown Gear