SmartGames IQ Gears

Get it right and the whole thing spins.

Seven puzzle pieces, each carrying gears. Place the ones the challenge shows, then fit the rest onto the board. The clever part is the feedback: when the solution is correct the gears mesh and the big wheels on either side of the board turn together. Get it wrong and nothing moves.

120 challenges from easy to expert, in a compact board with a transparent lid. Ages 7 and up, single player.

Perfect for: fidgety hands, mechanically-minded kids, travel, and the specific satisfaction of a puzzle that tells you you've won.