This 3D crystal puzzle is based on the sea animal shark. This white and blue crystal puzzle has 40 unique interlocking pieces. When you've pieced everything together (and are ready for the challenge), you'll be proud to display this adorable big-eared bunny. These 3D brain teaser puzzles are fun, difficult to complete, and beautifully presented. They take puzzles to a whole new dimension and are recommended for puzzlers ages 15 and up. There are designs to suit anyone's interest, and it's fun to collect. It is also a good choice to put it in the right place as a decoration.