Meffert's Gear Ball Puzzle HPI Parts so you can either assemble

so you can either assemble the puzzle by eye

2 track adaptors

3 drive profiles Bumper: Front plastic kickup type

Drop the gate on the cage to lock the Raptor inside

The perfect gift for kids

Meffert's Gear Ball Puzzle HPI Parts so you can either assembleDeveloped by one of the World's leading puzzle inventors, the Meffert Puzzles create a challenge that will leave your head spinning. There are 5 styles of this unique series. Collect them all. The Gear ball puzzle is a six sided sphere of interlocking gears and requires you to get a solid color on each side to solve. Developed by one of the World's leading puzzle inventors The Meffert Puzzles create a challenge that will leave your head spinning 5