LONG-LASTING EDUCATIONAL SMART TOY: Monster Go Smart Cube is the 3x3 cube with compatible app that helps you solve it as a beginner and improve yourself as a cuber. With inside replaceable battery, it offers a 280-hour play time. Awesome STEM toy!

EASY TO PICK UP, HARD TO PUT DOWN: With in-app video tutorial and 7-step solving instruction, even a beginner can quickly learn to solve individually. Get one and you’ll soon be attracted and addicted to this smart cube.

TRACKING AND BATTLE, AS ALWAYS: Monster Go Smart Cube measures and saves your solve in 4 parameters: Time/Move/TPS/Fluency. Online battle is also available in MG3 Ai. Match same level opponent within seconds, anytime, anywhere!

ALSO A GOOD CUBE FOR SPEED CUBING: Intelligence and performance are perfectly combined in MG3 Ai. Weight only 81g while adopting sensors, battery, circuit board iniside, and still keeps great handfeel and excellent corner cutting. Turns smoothly!

SATISFACTION GUARANTEED OR YOUR MONEY BACK - The cube goes through strict testing and comes in exquisite package. If for any reason you are not happy with this 3x3 speed cube, just tell us and a replacement or a full refund will be applied. Go get this little puzzle and start exploring the world of cubing!