Consider that the 2×2 is a pretty doable puzzle? But what if you join 2 of them together? Or 3? Or even 4? Double, Triple…
Beyond Rubik’s Cube exhibition
The exhibition is currently showing at Great Lakes Science Center – May 30 – September 7, 2015 in Cleveland, OH http://www.greatscience.com/exhibits/beyond-rubiks-cube.aspx and will move to TELUS World of Science – November 7, 2015 – February 15, 2016 in Edmonton, CA
Follow the tour here http://www.greatscience.com/plan-your-visit.aspx
Rubik’s cube. Still the most popular puzzle on the planet!