10 Cool Science Experiments For Toddlers

science experiments for toddlers


If you think that toddlers are too little to understand some ‘science fun’, you can’t be more wrong. There are lots of cool science experiments for toddlers, and in this article I will show you my favorite ones.

science experiments for toddlers

Cool Science Experiments For Toddlers

1. Exploring Liquid Density with Sensory Bottles

Exploring Liquid Density with Sensory Bottles

Sensory bottles are perfect for toddlers! They can use them to explore the density of liquids – and it looks so cool. Find a guide on how to do it (plus a free printable) on Buggy and Buddy blog. Such a fun experiments for kids at home!

2. Heat Sensitive, Color Changing Slime

Heat Sensitive, Color Changing Slime

Toddlers love to play with slime. And color changing slime sounds even better. You can find a recipe for this slime on an amazing Left Brain Craft Brain blog.

3. How to blow up a balloon using soda?

How to blow up a balloon using soda

How to blow up a balloon using soda? Simple! Just follow the guide on Learn Play Imagine blog.

4. Dancing Frankenworms

Dancing Frankenworms

How to make gummy worms dance? Your toddlers will love this! Read more on Playdough to Plato blog.

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5. Magic Milk

Magic milk

Magic milk is one of the coolest science experiments for toddlers! It is really easy to set up – read more on Little bins for little hands blog.

6. Rainbow Fizzy Cloud Dough

Rainbow Fizzy Cloud Dough

With some cloud dough you can make this amazing fizzing science experiment for toddlers! Read how on Powerful mothering blog.

7. Water bottle fountain

Water Bottle Fountain

The experiment is so simple that you can even do it with your 2 year old. All you need is an empty water bottle, a balloon, a straw and a blu-tac. What to do with those read on Learn with play at home blog.

8. Melt a Snowman

Melt a snowman

This is not really a science experiment, but it’s such a cool sensory activity for your toddlers that I had to include it! Read more about it on Munchkins and Moms blog.

9. Does It Sink or Float?

Does It Sink or Float

Director Jewels shared this amazingly simple science experiment. You can also find a free printable on her blog that you can use. Love it!

10. Shadow Tracing

shadow tracing

Shadow tracing with grape sculptures, how cool is that? Find a tutorial on the Artful Parent blog.

I love these fun experiments for kids at home. Do you have some science experiments for toddlers you would like me to add here?



  1. Love these! My fiance did the magic milk at home once. My daughter loved it. I’m going to have to try the pop bottle/balloon one and the dancing gummy worms. Pinning, tweeting and stumbling this. Happy Friday!

  2. These look really fun. I’ve done several of these to the delight of my toddler, but I want to do the water fountain experiment. That one is new to me. Thanks!

  3. What a great collection of ideas – all of them look really fun and educational. I’ve featured your post at this week’s hop. Thank you so much for being a part of our Hearth and Soul Hop community!

  4. I’ve always enjoyed doing science experiments with my children (even now that they’re teenagers). Congrats, you’re featured this week at the #ThisIsHowWeRoll Link Party on Organized 31.


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