• Top Level: This Puzzle We called it Fourth Grade. It is a supper difficult one. Although it is only have 7 parts, but if you want to open it, you should moving 60 steps at least. Even though you have the manual, but it also very hard for every one. As a educational toy, it is need more patient.
• Mini Size: The size of this Brainteaser Puzzle is 6.5*6.5*4.8 cm/2.5*2.5*1.9 inch. You could play it on your hand and stock it in your pocket. It is a portable design. Wonderful stress fidget toys.
• Educational Toy: The way to open the puzzle games could help kids improve the problem solving skills and train creative thinking, It is not only for kids, but also fashion for adults, let us try it and relax
• Function and Scenes: Educational for Kids, Challenge for adults, Keepsake for Gift, Smart Trick for Christmas Gift, Surprise for Birhday gift, Storage for postcards, cash holder, hidden some valuable items and so on
• High Quality materials: The Brain Teaser Puzzle is made from high-quality beechwood, which gives it a beautiful and natural look. It is also durable and long-lasting, ensuring that you can enjoy it for years to come.