Take puzzling to a whole new dimension with this lovely pastoral setting - there's even a tiny cow out front! The Windmill Deluxe 3D Crystal Puzzle from BePuzzled is a sleek, translucent, crystalline puzzle with 64 unique interlocking pieces. When completed, the windmill actually spins! This 3D puzzle has a difficulty level of 3 and is fun for puzzlers age 12 and up. The fully assembled puzzle measures approximately 4-1/2" x 7" x 2-3/4" inches.