Excellent Gifts for Kids or Adults. Croc lovers, adult or children…. get yourself a 10 pack of Mystery Charms. These cute charms are randomly chosen from a variety of patterns and characters. All charms are made from high quality PVC material, durable, lightweight, eco-friendly and waterproof. Not recommend as a toy or for children under the age of 3. Each charms is unique. What you see is what you get. No guarantee to get repeated patterns.