The first is to build a perfect cube (3D), the second is to put the pieces back into the frame (2D), and lastly you can combine several Happy Cube puzzles together to create a multi-dimensiona
Challenge your mental skills while having loads of fun. Duncan’s Color Shift Puzzle Ball can be solved by matching all of the coloured balls with their corresponding coloured rings. There...
Just one piece from the Einstein puzzle range. How will you fare against this brainteaser? Everybody is a genius. But if you judge a fish by its ability to climb a tree,...
Formed of the symbols of Einstein’s ground-breaking E=mc2 equation, see if you can separate the two pieces of each metal puzzle and then reattach them Developed in 1905, Einstein’s famous...