1. Sufficient quantity: The package includes 12 colorful flashing LED bouncy balls in 6 vibrant shades—orange, yellow, blue, purple, green, and red. Each ball measures approximately 6.5 cm (2.55 inches) in diameter, offering a firm yet pressable texture ideal for sensory and tactile stimulation. as touch rollers or sensory brushes, they are especially for nighttime play. 2. quality material: Crafted from rubber, these balls are BPA and odorless, ensuring safety for both people and pets. The builtin interactive flashing LED lights make them noticeable, and a squeaky sound when squeezed adds extra engagement. Not suitable for pets that chew or children under 6 years. Avoid water exposure as the batteryoperated design is not waterproof. 3. Effective stress relief toy: These glowing rubber balls emit light and produce a squeak when pressed. Their long, rubbery spikes provide hand stimulation, making them for sensory challenges. Ideal as therapy tools, they help soothe individuals with autism or anxiety. A fantastic fidget and sensory stressrelief toy for kids and adults alike. 4. Multifunctional flashing ball: Equipped with LED lights, these balls flash in vibrant colors for about 30 seconds upon impact, captivating children and sparking delight. for stress relief, they are also suitable for seniors or those with limited hand strength and dexterity. Additionally, they can be used for massage, foot therapy, yoga, and sensory pressure therapy.