Refined title: 100-Pack Knobby Balls Bulk Set with Air Pump - 5.5 Inch Sensory Bouncy Balls

Product Description: The package contains 100 spiky massage stress balls, available in 5 vibrant colors - red, yellow, blue, green, and pink, with 20 pieces of each color. These bright and appealing balls are sufficient to serve as school teaching props, indoor and outdoor activity toys, and more. The package also includes 1 air pump to easily and quickly inflate the PVC balls.

Endless Fun: Designed with uneven tactile surfaces, these knobby balls gently stimulate the skin, palms, and soles, promoting tactile development. Once inflated, the 5.5-inch diameter balls can be used for various ball games, such as throwing, bouncing, and rolling.

Quality Material: Crafted from high-quality PVC material, these sensory balls are free of toxic substances. They offer good elasticity, reliability, and bounce when dropped or squeezed by hand. Their lightweight construction ensures they won't cause any burden.

Enjoy Family Time: These knobby sensory balls are versatile, suitable for use in games, parties, at the beach, on grass, in swimming pools, and both indoors and outdoors. They can be utilized as tactile sensory toys, yoga teaching props, and more, allowing for enjoyable family bonding experiences.

Interesting Gifts: The soft, lightweight, and easy-to-throw nature of these spiky balls makes them ideal gifts for students, teenagers, parents, and teachers, particularly for occasions like birthdays, Halloween, Christmas, and Thanksgiving, adding excitement to any celebration.

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