Do a fun experiment with the contents of this test tube!
When you dissolve the crystal powder in water, it creates a super saturated solution which deposits extra molecules to form extra crystals.
Once you have dissolved the crystals, let your experiment stand for a few days and watch the crytals slowly form.
- Watch crystals form over days
- Simple and easy experiment
- Choose from either yellow, blue, green or white crystals
- for ages 7+
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