Features:Mini Type:Puzzle Cube Age Range:> 3 years old Material:PLASTIC 1. The inner layer is provided with a anti-stick groove to effectively prevent the Rubik's cube from sticking while ensuring the smooth rotation of the Rubik's cube. 2. Ultra high reverse fault tolerance, improve the anti-flying edge performance of Rubik's cube. 3. Adopt environmentally friendly ABS and have safety materials with international inspection grade. 4. The edge of the ribs is extended to widen the contact area, making the hand feel lighter and more stable when rotating. 5. Four-color matte fluorescence, subtle and revealing delicate colors. 6. Product size: about 9.5x8.2 cm