$10

Rudenko's Disk - BrainWright Twisty Puzzle

$8.99

Block by Block Puzzle 1995 Visual-Spatial Reasoning Builder

$16.99

Metal Wire Puzzle Set of 24 with Pouch,Brain Teaser IQ Test Trick Toy for Party

$10

The Original IQ Tester test Deluxe Edition Wood Brain Teaser Game

$5.93

NEW IN BOX THE BAMBOOZLER'S RANGE WOODEN BAMBOO PUZZLE THE CROSS/THE STAR GAMES

$25.49

Perplexus Twist Maze Game Sphere Puzzle Ball 3D Labyrinth Brain Teaser Toy Kids

$18.04

Vintage Rubik's Revenge Cube 1982 Ideal Toys Brain Teaser Challenge

$17.95

B Dazzle Cardinals Scramble Squares 9 Piece Puzzle

$50

Catchoo! Limited Edition from Marbles, The Brain Store

$4.25

SmartGames IQ Twist a Fun 3D Travel Game Ages 6-99

$14.99

1974 Disney Theme Park Edition Character Rubik's Cube Puzzle NEW Mickey Minnie

$14.99

Binary Arts Port to Port Puzzle Brain Teaser Plastic Tile Shifting Game