4 Dragon Cracked: The Ultimate Guide to the Legendary Chinese Puzzle
Sometimes the wood grain pattern can give you a hint as to which pieces were carved from the same block. 4 dragon cracked
The origins of interlocking puzzles date back to ancient China. Legend credits the philosopher and inventor (approx. 500 BC) with creating these "Luban Locks" to test his son's intelligence. 4 Dragon Cracked: The Ultimate Guide to the