These spit balls expand up to 200x their original size—and they can “slip, slide and bounce until they explode on target.” Described as “slimy science with polymers”, this is supposed to be an educational experience. No, really.
Product Page ($5)
These spit balls expand up to 200x their original size—and they can “slip, slide and bounce until they explode on target.” Described as “slimy science with polymers”, this is supposed to be an educational experience. No, really.
Product Page ($5)
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