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DIY Crystal Growing Kits for Kids
https://www.stevespanglerscience.com/lab/experiments/water-jelly-crystals-superabsorbent-polymers/
Water Jelly Crystals In the Water Jelly Crystals experiment, you’ll start with little nuggets that look like rock salt and end up with huge, gleaming, water-filled blobs. Your discoveries using a superabsorbent polymer have just begun. If you wore a...