NATIONAL GEOGRAPHIC SCIENCE ADVENT CALENDAR 2023
Each day leading up to Christmas, kids can either discover one of 13 science experiments or uncover one of 11 stunning specimens. THe experiments include hiding/revealing a secret message, making a test tube glow, growing a crystal tree, and more. Specimens are fossils and gemstones, such as snowflake obsidian, a gastropod, chevron amethyst, and more.
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