Features the same ergonomic gliding action as the original for optimal play. Super-smooth exterior lets you solve it like a pro. Challenge your friends and test your skills as you try to beat a world record! Includes 1 NEXcube 4×4 Classic. Recommended for ages 8 and up.Super smooth exterior for fast action movementsErgonomic design with adjustable elasticityA World Record-Setting cube puzzleIncludes 1 NEXcube 4×4 ClassicContents:1 NEXcube 4×4 Classic