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  • National Geographic Secret Message Lab
  • National Geographic Secret Message Lab

National Geographic Secret Message Lab

National Geographic

Regular price $22.90
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  • 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.
Recommended Age

Ages 6+

What's Inside
Brand Information

National Geographic science toys aim to promote curiosity, environmental awareness, and a deeper understanding of the natural world.

Shipping and Delivery

Delivery in 3-5 business days, or immediate pick up in-store.

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