Push Bubble Sensory Toys Avocado Pattern Reliver Stress Colorful Squeeze Funny Silicone Reusable Multiple-Uses Gift Portable for Adult Children Autism NeedsSmall size, can be squeezed and pulled without deformation, convenient storage and easy to carry.Brain logical reasoning, oral and mental arithmetic, odd and even numbers, overall planning and other abilities to prevent brain degeneration.It is made of environmentally friendly materials and can be reused and cleaned endlessly. When cleaning, just rinse in the sink and air dry.