This variation of the Rubik's Cube has 4x4x4 cubes on each side and is much harder the the familiar 3x3x3 cube.

Shift the cubes into various shapes. Try to get it back to a cube.

Remove the start from the cage and then put it back.

Disassemble and reassemble the two disks.

Disassemble and reassemble the two pieces.

Separate the two halves and then put them back together.

Remove the gear from the box.

Remove the ring from the key, and then put it back on again.

Can you remove the pistons from this cleverly designed chamber? A steady hand and strong memory of prior moves is needed to maneuver them and discover the correct sequence for release.

Open the Box with 27 moves.

Maneuver the wooden pieces from the start position to the end position

Solve the six different sided maze

A pyramid shape made up of 4 equilateral triangles, each chopped into 9 rotating segments. This puzzle is not quite as hard as the Rubik's Cube, but it is still equally as entertaining.

The bestselling puzzle of all time. This 3-by-3-by-3-inch cube with rotating faces is made up of nine squares that can be scrambled into 43 quintillion combinations. An icon of the '80s, eveyone should own a Rubik's Cube.

Looks simple, but it aint.

Sequential movement puzzle based on the Grey Binary System. This popular puzzle demands 170 sequential moves to slide all the pegs either to the inside or the outside. However, it will only allow you to move one peg at a time.

Move the tower from one post to the other.

Slide the pieces of this two layered puzzle to create one large composite raised square from the two smaller raised squares.