Feature: 1. Ingenious Design: Our fun and brain burning tetrametric brainteaser toy has a mysterious look and a variety of clever designs, which can attract other attention.2. Test of Ability: Each brainteaser puzzle toy is a test of your creativity, observation, spatial, reasoning and memory skills. In the process of unlocking them, the puzzles require close observation. 3. Playing Process: You can take apart this complex brain teaser puzzle and then try to put it back the way it was correctly and you can get the fun of unlocking. 4. Expand Your Mind: Puzzle brain games toy helps eye and hand coordination, problem solving skills, and expands your mind while improving your reasoning skills. 5. Relieve Stress: Alloy puzzle games toy is also the perfect way to relieve stress, keep your brain focused and your hands busy, and you are sure to be satisfied. Specification: Item Type: Tetrametric brainteaser toy Package List: 1 x Tetrametric Brainteaser Toy |