10 of the best Witches Potions

Halloween is just around the corner, so there’s no better time to make some spooky witches potions. Potions are a much loved activity at any time of year in our house, but especially so at Halloween! Take a look through this collection of fizzing potions, slimy potions, colour changing potions and even dry ice potions and let us know if you try any.

Teaching with Potions

Potion making is a great activity just for fun, but can also include lots of learning opportunities.

Weigh and measure out ingredients.

Use a measuring jug to measure specific amounts of liquids.

Learn about simple chemical reactions with baking soda and vinegar.

The BEST Witches Potions

Fizzy Witches Laboratory

Fizzy potions are easy to make with baking soda and vinegar and look very impressive. I set up a fizzy witches lab for my daughter and she loved it.

I used test tubes instead of larger containers as it meant she could experiment easily with different colours and allowed her to make lots of eruptions with only a small amount of baking soda and vinegar.

What you need to make fizzy potions

Baking Soda ( Bicarbonate of Soda )

Food colouring

Vinegar

Test tubes or other container

Pipette

Water

How to make witch’s potions

Place a teaspoon of baking soda, a little water and a few drops of food colouring into each test tube.

Use the pipette to add vinegar to each tube. The mixture should fizz up out of the test tube.

TOP TIP – to make an extra foamy potion, add a little dish soap ( washing up liquid ) before adding the vinegar.

Experiment with different amounts of baking soda, washing-up liquid and vinegar to find the perfect fizz!

Spider Slime

This stretchy slime has a great texture and is very easy to make. Squish it, stretch it, pour it or just get your friends to stick their hands in it.

What you need:

Chia seeds

PVA glue

Cornflour

Water

How to make spider slime

First, you need to soak the chia seeds in water for a few hours. When they look thick and slimy, add a good dollop of PVA glue and enough cornflour to make it thick and gloopy. For a drier slime, add more cornflour.

If you’re worried about children trying to eat the slime, you can miss out the PVA glue, it just won’t stretch as well.

 

Magic Colour Changing Potions

Colour changing potions using red cabbage indicator are a great first introduction to acids and alkalis. Experiment to find out how many different colours you can make!

I used vinegar, lemon juice and baking soda to create the colours below.

Edible Magic Potion

We really love the look of this steamy potion over on Fun Crafts Kids. Remember to check out the safety warnings first.

Goblin Snot Juice

We shared some easy potion ideas with Day Out With The Kids a while ago. Including creepy Goblin Snot Juice and colour-changing bat brot!

Witchy Density Jar

This witchy density jar is made in a similar way. Just pour coloured water into a jar with a layer of oil on the top, then try to find different creepy objects to float on the layers.

More Potion Ideas for Kids

Print my FREE potion recipe and create your own potion with the blank recipe page.

The Imagination Tree has a beautiful Fairy Potion that you could turn into a Halloween potion.

We love the look of this polyjuice potion from This Grandma is Fun, too.

If you’re looking for an easy Halloween costume idea, Red Ted Art is full of inspiration!

More Halloween Science Ideas

Try our Halloween party science ideas, including fake blood, pumpkin lava lamps and spider decorations.

My new book Gross Science is jam packed full of gruesome, sticky and slimy science experiments for kids! Make jelly scabs, chocolate poo, slimy slugs, a blood model and lots more experiments sure to creep out your friends and family!

I’ve also got an exciting collection of Halloween STEM Challenges you might like. Including spider drawing robots, blowing up pumpkin balloons and more!

Last Updated on October 4, 2023 by Emma Vanstone

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