About This Puzzle
Did you know? Alpine lakes get their striking turquoise color from glacial flour — rock ground to powder by glaciers — which suspends in the water and scatters blue-green light. Source
Photograph by Anna Jewels via Unsplash.
Estimated Solve Times
- 10 pieces: Under 1 minute
- 36 pieces: 3-6 minutes
- 64 pieces: 8-15 minutes
- 100 pieces: 15-30 minutes
- 200 pieces: 35-60 minutes
- 400 pieces: 1-2 hours