Colorful Wood Brain Teaser Puzzle from Thailand 'Traffic Light'

Resembling traffic lights, bold, colorful dots are painted by hand onto each of these four dice, hand-carved from raintree wood. By Thai artisan Waraporn Khamsuk, the dice arrive with a slotted wood box wrapped with red nylon cord. The object of this puzzle is to arrange the dice so that each color is visible only once on each side.