Classic design luban lock puzzle Wood knot hole lock children's toys

Wooden kongming lock heart-printed wooden toys adult fun puzzle solution ring unlock

Luban lock, also known as bagua lock and kongming lock, is a traditional civil and architectural fixed combinator in ancient China.According to legend, it was invented by lu ban from the late spring and autumn period to the early warring states period

In the wooden frame four solid small square, each of the six faces have not all the same color, four small wooden blocks on oneSo that it doesn't repeat the color on either side.Imagine is very simple, but his nickname immediately crazy, absolutely beyond your imagination oh