82 Teile Zahnradsatz Schneckengetriebe DIY Zahnrad Sortiment Zubehör Set für Auto Spielzeug
【Comprehensive Gear Set】: This educational toy set includes a variety of gears such as main shaft gears, single layer gears, belt pulleys, double layer gears, crown gears and worm gears. Worm Length: 6mm, 8mm.