Colour Sudoku-Cube, wood, IQ-Test
w/h/d: 4,8 x 4,8 x 4,8 cm
Wooden cubes, natural/black
Wooden cubes, natural/red
IQ test puzzle Knotgame 1
IQ test puzzle "Knotgame 2"
IQ test puzzle "Knotgame 3"
IQ test puzzle "Knotgame 4"
"T" puzzle
"Star" puzzle
"Ball pyramid" puzzle