YGZN Speed Cube Set 8 Pack 2x2 3x3 4x4 Speed Cube,Megaminx Pyramid Skewb lvy Cube Mirror Cube Smooth Speedcubing Magic Cube Puzzle for Adults and Kids, for 3x3 Cube keychain (9 Pack)

Description

Perfect Cube Collection Our cube puzzles perfect for reducing stress, exercising your brain, improving memory and practicing hands-on dexterity skills.You can take them anywhere,in the car,on the plane,in the hospital,even stress reliever before the big business meeting.Suitable for beginner and professionals. Benefit of Solving Puzzle Cube : Improve your concentrations Improve the hand-eye combination Improve the spatial thinking increase IQ level Improve overall cognitive skills Keep the mind sharp in old age Recyclable Material & Solid Sticker Our speed cubes are made from solid, long- lasting, non-fading stickers with vivid color, ABS material,non-poisonous,harmless to human and environment. Excellent Stability Improved anti-pop technology and structure for fast movements and corner cutting.You can loosen or tighten the magic cubes with screwdriver and play the cubo with instructions and online guide.