The Crazy Scientist Advent Calendar
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Mochi Mural by Amanda Jane Jones
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Happy Boxes
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Happy Dots
ENGAGING & INTRIGUING: 24 exciting experiments for the advent calendar countdown to Christmas 2026.
HOURS OF PLAY: A different experiment is hidden in each box and each day for science enthusiasts staying engaged with the game for hours. Fields of Chemistry and Biology to Mechanics, Optics and Magnetics.
EASY TO LEARN: All necessary components include a manual with step-by-step instructions.
Why Choose Mochi?
Made in the Usa
Our supply chain is made up of small businesses right here in the USA.
Small Batch
To minimize waste and keep our designs nimble
Gender Neutral
Mix-and-matchable pieces you can pass down to a sibling or friend
For Kids + Parents
Kid-friendly designs in parent-pleasing aesthetics