Mini Square Push Pop Bubble Toy Keychain

Made of environmentally-friendly silicone, tasteless, and harmless to humans and pets. Both sides can be pressed repeatedly. Doubles as a keychain for easy carry. Pressing the bubbles produces a slight popping sound; flip it over to repeat the fun. Great for kids to enhance calculation and thinking skills, and for adults to relieve stress, keep the brain active, and prevent degeneration. A helpful tool for anxiety relief, providing mental comfort and emotional release.