High quality wooden structure: made of high-quality and smooth wood, with rounded edges that are easy to handle safely. Durable, reusable, suitable for long-term use and repeated disassembly and assembly. Interlocking 3D design: Each piece is precisely cut and locked together to form a cubic structure. Players must systematically think to unlock and reassemble puzzles, enhancing spatial awareness and logical thinking. Adult and children's puzzle games: suitable for teenagers, adults, and older children who enjoy intellectual challenges. Very suitable for family game time, classroom activities, and office desk puzzles. Intelligence Logic and Problem Solving Training: By requiring step-by-step reasoning to solve problems, it encourages critical thinking, patience, and focus. An interesting method for training memory, observation skills, and hand eye coordination. Stress relieving puzzle game: an ideal fidgeting toy to relax and unwind during work or study breaks. Helps reduce screen time and provides calm hands-on activities. Color: As Shown Material: Wood Package Contents: 1 * joinery Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.