Bamboo Puzzle includes one of 6 assorted styles of brainteaser puzzles made of bamboo, which is one of the most sustainable and environmentally friendly trees. The objective is to take the puzzle apart and put it back together, with the latter often being more challenging. Pieces are fitted perfectly and no force is required. Puzzles range from five levels of difficulty and each puzzle is packaged separately with the solution. Please note we will send one randomly selected Bamboo Puzzle when you purchase.