About This Puzzle
Did you know? Great Sand Dunes National Park in Colorado contains the tallest sand dunes in North America, reaching up to 750 feet (230 m) high. The dunes formed over tens of thousands of years as predominant southwest winds blew sand toward the Sangre de Cristo Mountains. Source
Photograph by Colin Lloyd 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
