KNEX Roller Coaster Building Set Bulk Lot Track Motors Cars Rods Connectors

K'NEX Roller Coaster and building set parts lot includes a large variety of components for custom engineering projects. This collection features numerous orange and lime green track pieces, curved rails, and black chain links for motorized lift hills. Also included is a large bag of classic K'NEX rods, connectors, and gears in various colors, along with three coaster cars (orange, gold, and silver) and two battery-operated motors (green and silver). Perfect for expanding an existing collection or creating a massive custom amusement park ride.  Brand: K'NEX Type: Roller Coaster Building Set Components: Track, Rods, Connectors, Gears, Chain Colors: Orange, Green, Blue, Yellow, Red, Black Cars Included: 3 Motors Included: 2 Material: Plastic Theme: Engineering & Construction Activity: STEM Learning Compatibility: Standard K'NEX Parts  Keywords: STEM toy, construction set, replacement parts, bulk lot, coaster track, motorized, building blocks, creative play, engineering toy, physics toy, vintage knex, expansion pack