This is a set of 6 Worry Stones fidget toys. These are therapeutic goods for children with autism, ASD, developmental disabilities, anxiety disorders, ADHD, ADD, OCD, or a tendency to chew. I had stocked them for my child but ended up with duplicates. They are durable enough for adults to chew on without breaking. Made in the USA, they are very difficult to find in Japan. [Product Name] Worry Stones FIDGET TOYS [Quantity] 6 pieces [Material] Food Grade Silicone [Target Age] 3 years and older These are new and unused items, but they have been removed from their packaging once for photography. Made from food-grade silicone, they are safe for children to use. These items are useful for improving concentration and relieving stress ⊹ ࣪ ˖ Mercari delivery Same-day shipping Careful packaging Immediate purchase OK ⭕️ Thank you for your consideration. Search terms: Fidget toy, silicone, educational, sensory, toy, autism, sensory stone, OCD, developmental disability, anxiety relief, sensory toy, ADD, set of 6, therapy, ADHD, stress relief, killing time, relaxation, healing goods, tactile, finger play, hand play, decompression toy, concentration improvement, calming, mood change, usable by adults, for children, indoor play, portable, lightweight, compact, safe material, soft, ASD, ADD, OCD, colorful