← All challenges

Ice Cube Rescue

Build it⏱ 5 minutesAges 4-10

Salt makes ice melt faster by lowering its freezing point. That is why roads get salted in winter.

Let's do it ↓

Grab this

  • A small toy frozen in a block of ice (freeze it the night before)
  • Salt
  • A cup of warm water
  • A spoon
Supplies for Ice Cube Rescue

Do it in 3 steps

Ice Cube Rescue step 1
1

Put the ice block on a plate.

Ice Cube Rescue step 2
2

Sprinkle salt on top and watch the ice crack.

3

Drip warm water with a spoon until the toy is free.

Tinker Ted with a stopwatchDO IT WITH ME

Your turn! Beat the clock.

Press start, then put the screen down and build. We'll cheer when time is up.

5:00

⭐ Bonus round

Race a grown up. Who frees their toy first?

🧠 Why it works

Salt makes ice melt faster by lowering its freezing point. That is why roads get salted in winter.

A grown up should be nearby for every challenge. Clean up together when you are done.

Did you do it?

More build it challenges