Cabochon stones: The ⌀ 20 mm stones are perfect for decoration, craft projects, and as contents in goody bags for children's birthday parties. Versatile learning tool in the classroom and at home: The glass pebbles support learning to count and can be used as a reward system. Thus, the nuggets offer numerous applications for school children and children from 3 years old. Promotion of creativity and fine motor skills: Children can improve their fine motor skills and creativity with the small glass pebbles through various craft and learning games. Similar to glass nuggets, the glass pebbles are ideal for creative play ideas.