Technic, Gear Differential 24-16 Tooth : Part 6573 | BrickLink
LEGO 6573 Arctic Expedition Instructions, Town
LEGO part 6573 - Red Technic, Gear Differential, 24-16 Teeth at BrickScout
LEGO Sonic the Hedgehog Amy's Animal Rescue Island 76992 Building Toy Set, Sonic Adventure Toy with 6 Characters and Accessories for Creative Role Play, Fun Gift for 7 Year Old Gamers - Walmart.com
LEGO 6573 Arctic Expedition (#6573) [Instruction Book Only] | eBay
MOC Building Blocks Self-Locking Bricks 5pcs Technical DIFFERENTIALE GEAR CASING compatible with Lego 6573 for Kids Boys Toy