The Ball of Whacks - Blue is more than just another magnetic puzzle—it's a creativity tool! Manipulate the 30 pyramid-shaped magnetic pieces (or "whacks") into a variety of designs to find inspiration, stimulate your brain, stretch your imagination, or simply to relieve stress. Challenge yourself to recreate the patterns and shapes from the 96-page "Creativity Guidebook." One of your creations might just end up being an eye-catching work of art. It's great for artists, engineers, writers, designers, and creativity workshops. Each piece is approximately 1.25" tall x 1.5" wide x .875" thick, 30 magnetic pieces with hard plastic covering. Includes 96-page "Creativity Guidebook". This product contains strong magnets. Keep magnets away from computers and anything else which might be sensitive to magnetic fields. WARNING: Choking Hazard - Small parts. Not for children under 3 years.