FUN FOR ALL AGES - This award winning speed cube bundle set comes with 3x3 speed cube / 2 by 2 speed cube / pyraminx speed cube / megaminx cube / 4x4 speed cube / skew cube and bonus cubes giving 10 different forms of fun. Old and young, beginner and professional this cube puzzle set makes for a fun cube game.

ADJUSTABLE AND STICKERLESS CLEANABLE - If loose or tight you can adjust them with a screwdriver! You can even take the stickerless speed cubes completely apart, clean them, and put them back together. If they fall apart, simply put them back together. Bonus Puzzle! Hah

MENTALLY STIMULATING: Our puzzle cubes make for a great brain teaser to keep your mind sharp and engaged whether it is with the speed cube 3x3 or speed cube 2x2. For a different kind of challenge from the standard puzzle cube try the Megaminx speed cube.

NON TOXIC AND SAFE: The Speed Cubes are made of non-toxic material and long lasting non-fading vivid colors; ideal for kids early cognitive development of all ages 3 4 5 6 7 8 9 10 or perfect puzzle cube bundle for teenagers and adults and puzzle enthusiasts.

STEAM LIFE PROMISE: We take great pride in providing toys that are safe, educational, interactive and most importantly fun! Your product satisfaction is core to our business. If you have any questions or concerns regarding your purchase, please contact us directly through Amazon's messaging system so that we can assist you. Thank you for your purchase!