✨ Kitchen-cupboard magic, real science

Turn a cup of water upside down and it won't spill.

Wizard Science is home of the Wizard's World Shorts. Our experiments take 5 minutes, use things already in your kitchen, and end in a "how did that happen?!" moment.

  • ✔ Grown-up supervised
  • ✔ Household items only
  • ✔ Free, no sign-up
Wizard's World hat and wandIllustration of an upside-down cup of water held by a card
TRY THIS TONIGHT

The Upside-Down Water Card

⏱ 5 minutes🥤 Cup, card, waterAges 6+
  1. Fill the cup right to the brim with water.
  2. Slide the card over the top so it touches the rim all the way round.
  3. Hold the card flat with one hand and turn the cup upside down.
  4. Slowly take your hand away from the card.
Start the experiment →
WOW FACT

The same air pressure holding up your card is what makes a drinking straw work.

When you suck, you lower the air pressure inside the straw, and the air pressing on the drink pushes it up to your mouth.

Feel the push of the air →

More kitchen magic

🌈

Colour-Drinking Celery

Watch a plant drink rainbow water overnight.

Try it →
🧊

Ice Fishing with Salt

Lift an ice cube with a string and a pinch of salt.

Try it →
💓

Make a Paper-Cup Stethoscope

Hear your own heartbeat with two paper cups.

Try it →
🦩

The One-Leg Balance Test

Can you out-balance a flamingo?

Try it →

🎮 Play the science games

Flip a cup, guess sink or float, and race colour up a celery stalk. Free, no sign-up, and each one leads to a real experiment.

Play the science games →

📜 Printable spell-books of experiments

Seasonal packs to print at home are coming soon.

Every experiment needs a grown-up. No flames, no harsh chemicals, and safety notes on every page. Our safety promise.