 40242477 | 06/06/2026 5:02:30 |
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Build a money volcano by stacking coins into a cone; then pouring vinegar over baking soda hidden in the core. Fizz rushes through the spaces; nudging coins like molten rock. ItРІР‚в„ўs a hands-on science demo that shows pressure in a snap.
Source:
https://thundercoins.link/ |
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