Chris Bumstead Puzzles are fun puzzles with a 3D effect. The pieces are in the shape of bricks and let you build a 3D mosaic puzzle in 2 dimensions. This is a great toy for children of all ages! Chris Bumstead is a passionate pencil puzzler, who draws and designs his own puzzles. He has over 500 puzzles to choose from and offers five different types: 3D, Regular, Shape Shifter, Brainwave Puzzles and Mystery Puzzles.