OK you guys, I think I've fallen in love with another kids activity. These crystal stars are awesome! Any activity where I get to make something beautiful from bright rainbow colours, and I'm totally on board!
How to grow your own crystal necklace DIY with alum salt. Make crystals at home. This also works as a great science project for children or a cute original gift for a friend. Click through for the full tutorial / DIY including a printable step-by-step checklist.
How to make crystal egg geodes (or diamonds in a lid) - Magical Daydream: grow your own crystal egg geode in an eggshell with alum, fun DIY, craft or science project for children. Including a free printable checklist in blogpost
Salt and vinegar crystals are easy-to-grow non-toxic crystals that you can grow in a rainbow of colors. This crystal growing project is especially good for kids or beginners looking for quick and easy crystals.