Activities › Science & Magic

🍋 Invisible Ink Messages

⏱ about 20 min ⚡ medium Science & Magic

Write a secret message with lemon juice, let it dry, then ask a grown-up to gently warm the paper to reveal your words.

🧺 What you'll need

👣 Steps

  1. Dip a cotton swab in lemon juice and write a message on paper.
  2. Let the paper dry completely so the writing disappears.
  3. Ask a grown-up to gently warm the paper (with a hairdryer or warm iron).
  4. Watch your secret message appear.
💎 Track it & earn Stardust

More Science & Magic ideas

🔮 Make a Lava Lamp⏱ 20 min💎 Grow a Crystal Garden⏱ 20 min🧪 Make Fluffy Slime⏱ 25 min