Khối lập phương xếp hình Terrazzo

I got this for my desk and keep picking it up between calls—the recycled glass speckles catch the light nicely. Solving it the same way twice is basically impossible with 240 combos, so it stays interesting.

The terrazzo texture looks great on my shelf, and knowing there are 240 ways to reassemble it kept me busy for an evening. That said, the pieces fit together a bit loosely, so it doesn't hold its shape well if you bump it.