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Amazon.com: Steve Spangler Science UV Color Changing Beads, Set of Approx. 250-Colors Included: Red, Purple, Yellow, Orange- Experiments for Kids, Educational Toys : Toys & Games
![Great shot capturing the results for experiment 1b - Using three layers of red cellophane blocks UV light from the beads qu… | Experiments, How to find out, Mission Great shot capturing the results for experiment 1b - Using three layers of red cellophane blocks UV light from the beads qu… | Experiments, How to find out, Mission](https://i.pinimg.com/originals/74/d1/d9/74d1d976f942648818d554133ca3028b.jpg)
Great shot capturing the results for experiment 1b - Using three layers of red cellophane blocks UV light from the beads qu… | Experiments, How to find out, Mission
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