The original 3D clear Wolf crystal puzzle by bepuzzled is howling at the moon! The 3D crystal puzzles features 37 uniquely-shaped, interlocking, translucent crystalline pieces that give puzzling a whole new dimension. The 3D clear Wolf puzzle is one of more than 60 colorful designs! These challenging puzzles are perfect for collectors and beautiful to display. Set includes 37 puzzle pieces and a key. Recommended for ages 12 and up. University Games is committed to sharing our interest in learning, educating and fun. Founded in 1985, the Company philosophy has always been to offer games that encourage social interaction and imagination through gameplay.