Amazon.com: The Original Rubik's Connected - Smart Digital Electronic Rubik's Cube That Allows You to Compete with Friends & Cubers Across The Globe. App-Enabled STEM Puzzle That Fits All Ages and Capabilities :
Rubik kirakós játék kocka meg - Logikai játékok | JatekRaj.hu
A Twist of Fate: The Invention of the Rubik's Cube | Lemelson Center for the Study of Invention and Innovation