3D Crystal Puzzle from University Games features uniquely-shaped, interlocking, see-through crystalline pieces that give puzzling a whole new dimension. Puzzles have 39 pieces and creates a small handheld 3D Minnie Mouse when complete. View the Instructions
Took me 2 hours to build this puzzle, and I did it without instructions (which is incredible for me). So far this is my favorite crystal puzzle I have done from this company.