Crocodile

Believed to be 200 million years old they survived dinosaurs. Get your teeth into this jigsaw puzzle.

Photograph © Sue and Swede's Global Images

Controls: Click down on a piece to move it and release your mouse button to place it. A piece placed next to a connecting piece snaps the two together. The timer begins once you hit the start button and stops when you have completed the jigsaw puzzle. There are advanced options in the menu to the left.