[RELIABLE MATERIAL]- These speed cubes are made of safe ABS material. They are super-durable, impact resistance, long lasting non-fading, non-poisonous, harmless to human and environment. [EASY TURNING]- This cube set with properly rounded internal corners & anti-stick grooves, reducing friction and resistance while improving fluency. The unique anti-popping structure and anti-jam feature enables a longer enjoyment, and ensure it far easier and quicker to turn. You can adjust level of tightness enable to customize play experience. [GREAT CUBE GAME]- This puzzle cube game will never go out of style, it can help kids enhance hand-eye coordination and memory, stimulate their imagination and creativity, and keep them away from Mobile/Computer/TV. Play speed cube in spare time can relieve the work pressure of adults, and help elderly prevent memory loss. [PERFECT GIFT]- Christmas, birthday, Thanksgiving, Halloween, Children's Day and etc are the perfect opportunity to gift this speed cube toy to family and friends. You can have fun with them, restore the cube puzzle together, and enjoy the whole process. [EXCELLENT PERFORMANCE]- What makes our magic cube so special is the high stability, the super fast speed and the long service life. It is also a perfect choice for you to improve personal record in competitions