Raintree Wood Dice Brain Teaser Puzzle from Thailand 'Domino Cubes'

Resembling the designs on dominoes, 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 number is visible only once on each side.