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Blackboard Jungle
Secret Message Lab
Secret Message Lab
Regular price
$36.99 NZD
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$36.99 NZD
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Kids will gain insight into pH science and learn fascinating facts about spy history.
Features:
- Two Decoder Wheels – Kids will get 3 decoder wheel missions, deciphering messages with a prefilled decoder wheel and creating their own decoder wheel/secret code language.
- Reveal a Secret Message – Using pH paper and a citric acid solution, kids will be able to reveal a secret message they’ve written with a colorless crayon.
- Hide a Secret Message – Using pH paper and a sodium bicarbonate solution, kids will be able to hide the secret message they’ve written with a colorless crayon
Suitable for Ages 8+
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