system, and when the ball is thrown and hits an obstacle, it opens and the water is sprayed.
Look how much fun it was 🙂
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∙ Fills 6x Faster Than Regular Water Balloons
∙ Refills in 1 Second
∙ No Hurt On Impact
∙ Reusable & Eco-Friendly
∙ Mess-Free Water Balloons
∙ Fills Automatically When Immersed In Water
Product offered by China Gadgets Reviews.