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Science magic tricks for kids

Start with

The Pepper and Soap Trick

What they see
Transformation
Level
1 Apprentice
Ages
5 to 9
You need
bowl, water, pepper, dish soap
Open it

All 10 science magic tricks for kids

TrickWhat they seeLevelAgesYou needTo learn
The Pepper and Soap TrickTransformation1 Apprentice5 to 9bowl, water, pepper, dish soap2 minutes
The Arrow Flip TrickTransformation1 Apprentice5 to 9glass, water, paper, marker2 minutes
The Disappearing Coin in WaterVanish1 Apprentice5 to 10glass, water, coin, saucer2 minutes
The Glowing Water TrickTransformation1 Apprentice6 to 11glass, water, tonic water, UV light2 minutes
Invisible InkProduction1 Apprentice5 to 10white paper, baking soda, water, cotton swab, grape juice, paintbrush10 minutes
The Upside-Down Water CardLevitation1 Apprentice6 to 11glass, water, index card5 minutes
The Balloon Static WandLevitation1 Apprentice5 to 10balloon, paper strip5 minutes
The Colour-Changing PotionTransformation2 Conjurer6 to 11grape juice, baking soda, glass, water10 minutes
The Obedient EggLevitation1 Apprentice6 to 11egg, glass, water, salt5 minutes
The Floating PaperclipLevitation1 Apprentice6 to 11paperclips, bowl, water, dish soap5 minutes

Start with these

  • The Pepper and Soap Trick. Pepper floats all over a bowl of water. 2 minutes to learn, for ages 5 to 9.
  • The Arrow Flip Trick. You draw a fat arrow pointing to the right and stand it up behind an empty glass. 2 minutes to learn, for ages 5 to 9.
  • The Disappearing Coin in Water. A coin sits on the table with an empty glass standing on top of it, and everybody can see it through the side. 2 minutes to learn, for ages 5 to 10.

What you need, and what a grown-up does

TrickYou needA grown-up does
The Pepper and Soap Trickbowl, water, pepper, dish soapnothing
The Arrow Flip Trickglass, water, paper, markernothing
The Disappearing Coin in Waterglass, water, coin, saucernothing
The Glowing Water Trickglass, water, tonic water, UV lighta hot or bright-light step
Invisible Inkwhite paper, baking soda, water, cotton swab, grape juice, paintbrusha bit of setting up
The Upside-Down Water Cardglass, water, index cardnothing
The Balloon Static Wandballoon, paper stripa hot or bright-light step
The Colour-Changing Potiongrape juice, baking soda, glass, waternothing
The Obedient Eggegg, glass, water, saltnothing
The Floating Paperclippaperclips, bowl, water, dish soapnothing

The science in each one

TrickThe science
The Pepper and Soap TrickWater has surface tension: the top layer behaves like a stretchy skin, and the pepper is light enough to sit on it.
The Arrow Flip TrickLight bends when it crosses from water into glass into air.
The Disappearing Coin in WaterThis is called total internal reflection.
The Glowing Water TrickQuinine soaks up ultraviolet light, which human eyes can't see, and hands it straight back out as visible blue light.
Invisible InkGrape juice has a natural dye in it that changes colour depending on what it touches.
The Upside-Down Water CardThe air around us presses on everything, quite hard, from every direction.
The Balloon Static WandRubbing the balloon on your hair scrapes tiny electric charges off it, and the balloon keeps them.
The Colour-Changing PotionGrape juice and red cabbage contain a dye that changes colour depending on what it is mixed with.
The Obedient EggWhether something floats depends on how heavy it is compared with the water it pushes out of the way.
The Floating PaperclipWater molecules pull on each other, and at the top there is nothing above them to pull back, so the surface pulls itself tight into something like a skin.

For a classroom

These double as demonstrations: they use nothing a school does not already have, they take a few minutes each, and the explanation is on the page in a child's words. The 16 tricks in the Mind Reader's Corner do the same job for arithmetic.

Safety

Every step that uses something hot or a bright light is a grown-up's step, whatever the child's age, and Flick says so out loud before it. There is no fire, no flame and nothing sharp in a child's hand anywhere in the shop: scissors cut paper, card and string only, and a cutting step says to ask a grown-up. No trick asks a child to put anything in a mouth, a nose or an ear. Tricks with coins, dice, paperclips or pom-poms carry the AAP's choking note for brothers and sisters under 4, and none of them is offered below kindergarten. The kitchen-science tricks use only food-safe things, and a potion is always for looking at, not for drinking.

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More: all 80 magic tricks for kids, Magic School and how to put on a magic show.

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Checked against how Peabody works on 28 October 2026. Written with help from AI, from Peabody's own code and library. Peabody is a learning app, not an assessment: if you're worried about your child's learning, talk to their teacher. How Peabody's pages are made.