Halloween is just around the corner so how about some easy Halloween Science you can do at home?! These glowing Orbeez are fab for Halloween Science or, to be honest, at any time of year! They are so easy to make at home using the ink from highlighter pens, which contains a compound called fluorescein that glows (fluoresces) under UV light. A safe and easy experiment that the children loved especially at this spooky time of year.

Watch the video here or read on for more hints/tips and video tutorial.
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