What Happens When You Let Them Wreck the Spaghetti
A bowl of water. A bag of spaghetti. Some marshmallows they'll definitely eat. Two kitchen table challenges that need zero prep, zero supervision, and buy you twenty minutes of peace. The tower will collapse. That's the point.
You know those afternoons where you can't face leaving the house but the kids need something to do? These two challenges use stuff that's already in your kitchen, can be set up in about two minutes, and don't require you to stand up more than once.
One involves water. One involves marshmallows. Both involve a satisfying amount of failure.
Sink or Float Predictions
This is the one for younger kids, or for when you genuinely cannot get up. Fill a washing-up bowl, point them at a drawer of random stuff, and let them go. They'll work through the obvious things fast. Coin sinks, plastic lid floats. Then they start getting creative.
What you need: A bowl of water, random objects from around the house
The challenge: Predict which items will sink or float, then test them.
Your job: say "no, not my phone" without getting up. Possibly also "no, not the cat."
The predictions are what make this more than just chucking things in water. Ask them to guess before each one. Being wrong is more interesting than being right, and they'll start trying to figure out why they were wrong. Which is, whether anyone says it out loud or not, the scientific method. But don't tell them that, obviously.
Tallest Tower from Pasta and Marshmallows
This is harder than it looks, which is the whole point. Spaghetti snaps. Marshmallows squish under load. The tower that looks magnificent at eight inches tall will buckle spectacularly at nine, and they'll want to start again immediately.
What you need: Uncooked spaghetti, marshmallows (or blobs of playdough if you don't want to waste the marshmallows, though you will waste the marshmallows)
The challenge: Build the tallest freestanding tower possible.
Your job: measure the final height with a ruler and react like it's genuinely impressive. If you have more than one kid, make it competitive. This adds at least fifteen minutes.
Sink or float works beautifully from about age 4 (with supervision around the water, obviously). The pasta tower is best from 5 upwards. Younger kids tend to just eat the marshmallows, which solves a different problem but not the one we're talking about.
For older kids, add constraints. Can you build a tower that holds a book on top? Can you predict sink or float for ten objects in a row without getting one wrong?
The bridge fell down six times. She rebuilt it seven. I think that might be the whole point.
This is part 2 of the 20 Minutes of Peace series. 100 STEM challenges that use what's already in your house and don't need you standing over them.
You can read the previous one here
