For ages 4+ years. For ages 4+ years. Use the magnetic wand to move the iron powder into position to draw whiskers, mustaches or different hairstyles and designs on Wooly Willy and his friends. Wooly Willy, the original favorite, is ranked one of the great toy concepts of all time. Dozens of designs are possible. The 7" x 8 3/4" self-contained package makes it easy to practice your artistic talents anywhere!