Experiments
Filter by age, domain, mess, or status. Idea and draft cards are shorter; tested and winner guides are ready for a Saturday morning.
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Cinnamon soap rush
Winner10 minMedium mess
Cinnamon soap rush
Soap can break the “skin” on water so floating powder suddenly rushes away.
Ages 1-2, 3-5 · physics, sensory
Sink or Float
Winner25 minMedium mess
Sink or Float
Some objects sink and some float — mass and shape both matter, and guessing is part of the fun.
Ages 1-2, 3-5 · physics