MAKE YOUR GRIP STRONGER: Our egg shaped squeeze balls help make your hands stronger. If your hands feel weak or stiff, or if you have arthritis, these are great! A must have for physical therapy.SQUISHY STRESS RELIEF: Feeling stress or anxiety? This egg will reduce it. A great fidget toy for people with ADHD and autism, at school, work, or home.IMPROVE OVER TIME: Includes four fun colors. Each with a different squishiness: soft, medium, firm, and very firm. So you can increase the challenge over time!STAY INDEPENDENT: For seniors, 5 to 10 minutes daily can improve fine motor skills by 30%. Helpful for holding utensils, buttoning clothes, and writing.HSA/FSA APPROVED & VIVE GUARANTEE: Eligible for purchase with Health Savings or Flexible Spending Account funds. Plus, enjoy the Vive 60-day unconditional guarantee for added confidence in your purchase.