Moyu Carbon Fiber Speed Rubik Cube Magic cube 2 x 2 3 x 3 4 x4 5 x5 Professional children's birthday gifts puzzle educational toys

•Suitable for beginners and professional players. Enjoy hours of fun with family and friends

•3S New spring design - Cube allows you to fine-tune the tightness of the Rubik's cube and you will be able to achieve speed, stability and a smooth cube

•Puzzle Cube - Made of safe ABS material, non-slip matte sticker, harmless to the human body and the environment, kids love it

•Improved explosion-proof technology and construction enable extremely fast and smooth turns

•The Ultimate gift idea - Cube set is the perfect gift idea for Christmas/birthday/Children's Day. This classic puzzle game never gets old.

•Improve your child's grip strength, hand-eye coordination and cognitive thinking skills.

•Exercise your brain, improve your memory, and practice manual dexterity.

•Develop your child's interest and focus.

•Increase parent-child communication and interaction.

•A stress reliever for adults after a long day.