This sensory fidget toy sets designed for all ages. Not only can relief pressure, train kid’s logical thinking and mental arithmetic ability, prevent brain degeneration, but also a tool to strengthen interaction and emotional exchange of each other. They also can be used as gift, coaster, frisbee, pet toy, etc. Suitable for all kinds of people. For example, kids, children, toddlers, adults, seniors, family, office workers, students, teachers, ADD/ADHD, OCD and autistic, etc. Portable and lightweight design, great for playing in car, restaurant, camping, office, school, home, playground, travel, etc. Anytime and anywhere to play! Fast brain game rules of Last One Lost: 1.Players take turns pressing down one or more connected mice in any row. 2.The opponent presses the mouse in this row or the new row. Each player should press one line max at a time, cannot interlaced. 3.The one who pressed the last mouse lost. You can make your own game rules for more fun! Specification Materials: Food grade silicone Package Weight: 57g / 2 oz Size: 4.92 in * 4.92 in Ages: 3 years old and above Package include: 2 pack sensory toys Warm Notes: 1.Please keep away from strong acid and alkali objects, away from fire, and avoid sunlight exposure. 2.Do not touch with the sharp things to avoid cutting bad. 3.Clean the toys using a mild detergent or disinfectant, rinse them in clean water and air dry.