※[Protable Worry Stones] Our multi-Item fidget toy packs contain 6 individual small blocks, a silicone rope and a hand strap. Each silicone stone has an small hole on the top, and all the silicone stones can be worn with the silicone rope, or tie any stone with the hand strap, easy to hang it on hand, schoolbag or mobile phone, etc.. Enjoy playing the toys in trip or travel, anytime and anywhere. ※[Sensory Fidget Toys] There are 6 colores hard silicone bionic stone, each one has unique texture. Squeezing, rubbing, or fidgeting with these worry stones can help reduce stress and anxiety, relieves stress, relaxes the mind. useful for soothing children, young children or ADHD, stay calm, and lower anxiety in adults under work stress or other pressures. ※[Premium and Safe] The sensory stones are made by high-quality silicone, BPA free, non-toxic, sturdy and durable, washable, reusable, and appropriately hard. Safe enough for all ages and beneficial for boys and girls with sensory processing needs, such as those with autism, ADHD, or anxiety disorders.