Material: This decompression toy uses durable and high-quality silicone material, which is non-toxic and safe to use. Fine craftsmanship and smooth edges will not harm children's skin. Stress relief: Under pressure, you can press this Christmas tree-shaped toy to promote tactile stimulation, calm, and concentration. Simple joy that is irresistible. Many uses: Board game toy can not only decompress, but can also be used for brain training to improve children's memory, concentration, patience, logic, spatial thinking, and hand flexibility. Early education: Different colors and unique shape can improve children's color recognition ability. It not only provides an engaging playtime for children, but also exercises their ability to coordinate hands and eyes. Features: Keychain design makes it easy to attach to your keys, school bag, or pocket. Compact size is suitable for holding and convenient to carry and store.