Sha-blam. This sky-high Mega Smokestack looks old and outdated. Kids build this 3-foot tall towering structure then demolish it with the powerful quad-blaster, taking out four walls at once. Young demolition scientists will learn about energy, momentum and gravity.
Sha-blam. This sky-high Mega Smokestack looks old and outdated. Kids build this 3-foot tall towering structure then demolish it with the powerful quad-blaster, taking out four walls at once. Young demolition scientists will ...
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