Thank you for viewing. This is a magnetic block with built-in magnets. It's a three-dimensional puzzle made up of multi-colored geometric blocks, a brain-training toy designed to cultivate spatial reasoning skills. Using the 7-piece blocks, you can explore various ways to assemble them, making it a 3D puzzle game. The 7 different types of blocks have a moderate magnetic force, making them easy to attach and detach! They are easy to assemble into your desired shapes! Comes with 54 problem cards with shapes. The difficulty varies depending on the card, so a wide range of ages can enjoy it. - Product Name: Magic Magnetic Cube - Target Age: 6 years and older - Number of Parts: 7 - Features: 3D puzzle to develop spatial reasoning skills - Design: Multi-colored geometric blocks Cube Size - Width: 6 cm - Height: 6 cm - Depth: 6 cm We look forward to your consideration.