VINTAGE STRESS RELIEF METAL INTERLOCKING PUZZLE

– This metal lock puzzle requires you to actively do hands on operation, and can exercise the player’s hands on ability.
– Unlock the interlocking game toy also helps your eye and hand coordination.
– In the process of playing, you need to think constantly, which is a test of your creativity, observation, space, reasoning, and memory.
– Puzzle lock can cultivate the ability to solve problems, expand thinking, and improve reasoning ability.
– Product Dimensions: 4.33 x 3.94 x 1.57 inches, 2.82 ounces