Wooden game with interesting logical thinking and development of brain, these brain puzzles are a good way to practice focus and concentration Family Game Or Party Game: Suitable for every occasion including Christmas gifts, office gifts, and more. Logic and Creative Minds & Brain Teasers Puzzle: Wooden 3D brain teaser puzzle toy originated from ancient China which called Kong Ming Lock. 3D brain teaser can be taken anywhere, it can be a good fidget puzzles toy to play everywhere, challenge your mind, patience and help develop the intellect.