Kopa

Watch Juice Turn Into Jelly

Cooking
  • 4–9 years
  • 25 min
  • at home

Gelatine swells, warm juice sets, and berries hang in mid-air inside the glass. A slow change your child can check on every twenty minutes.

What you need

  • Berry juice or compote
  • Gelatine powder
  • Cold water
  • Sugar
  • A few fresh or frozen berries
  • Clear glasses
  • Teaspoons

How to play

  1. Sprinkle the gelatine over a few spoons of cold water and let your child watch it swell for ten minutes.
  2. Warm the juice in a pan yourself until it steams — it must never come to the boil.
  3. Stir the swollen gelatine into the warm juice yourself until nothing grainy is left.
  4. Let your child drop a few berries into each glass so they sit at different heights.
  5. Pour the warm juice into the glasses yourself and put them in the fridge.
  6. Check every twenty minutes and tilt a glass gently to see when the liquid stops moving.
  7. Eat the jelly with a teaspoon and talk about where the liquid went.

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