Cast Hanayama Smart Unlocking Puzzle Metal Buckle

Description:

This is an ancient and traditional intellectual game, with a long history, a long time, with very subtle mathematical and physical principles, even if in a short period of time to dismantle is also very difficult to put back together, a small shape but a great test of people's IQ, Albert Einstein, Thomas Edison as a child obsessed with it. If your IQ has diversified game modes, including puzzle solving, reasoning, jigsaw puzzles, logical thinking, etc. Each game allows children to exercise their brains in children. These games are designed to develop children's observation, memory, logical thinking, and problem-solving skills.