It is just fun to spin a coin in a balloon. But we used a 7-sided 20p coin that made some interesting noise.

Exploring new musical instruments with Alex.

A fun demonstration how the primary colours mix and form the secondary colours. Thanks to the fact that water doesn't mix with oil we can observe how primary colours separate back into layers after mixing. For this activity water is...

Here is a quick demonstration how lungs work with a plastic bottle and two balloons I have prepared for Alex. When we pull knotted balloon, more space inside the bottle is created. To fill that space more air is sucked in thru the red...

How cool is this activity with magically appearing colours from words! You would need regular markers, a permanent black marker, paper towel and water.

When you run out of batteries, but you have a few lemons at home. To start, we put copper coins and galvanized nails on different sides of lemons. Then we connected the nail to the copper coin on the next lemon in a line with a wire....

Max is learning the very basic concept of how clouds hold water and when they become too heavy it starts to rain, while practising fine motor skills and eye–hand coordination. For this activity we used clear water, shaving foam and...

We are using a scientific method called chromatography to see what colours have been used by different manufacturers to make their black markers. Surprisingly black colour hides a bunch of bright colours. To take the experiment a bit...

If you have a balloon and a straw at home, you can make this fun spinning balloon.

It’s just mesmerising to watch water beads lava lamp powered by Alka-Seltzer.

Checking with Alex how strong spaghetti actually is. First, we easily break just one piece but have a look how easy it is to break a bunch of them.

This is fun funnel experiment that proves that an empty bottle isn't, in fact, empty and to fill it with water we need to make sure that air can escape. If a funnel is properly sealed to a bottle and a lot of water is poured into it at...

Classic egg in a bottle experiment turned upside down. We used hard boiled egg, birthday cake candles and a bottle with wide neck.

We do different types of activities with boys, but mixing is Max's most favourite thing. Here Max is mixing Yellow and Blue colours with a help of baking soda and vinegar reaction.

We mixed dish soap with water in a big container to experiment with 3-dimensional shapes and bubbles.

Alex knows that every time we do an experiment the result should be different from what he normally expects to happen. This time he said that water would not spill if we turn the cup upside down. So I asked him to do just that and water...

Checking if interference between the contradicting information can cause problems for Alex to do a simple task - naming the colours! Try doing it yourselves! Pause the video and name colours, not the words.

This experiment shows how Pythagoras Cup works. A long time ago Pythagoras made this cup (also known as a Greedy Cup), that empties itself if too much drink is poured.

Don't trust your eyes! If you cannot see it, it doesn't mean that it is not there. When you place a Pyrex stir rod in the vegetable oil, it disappears. The secret here is that vegetable oil has nearly the same index of refraction as...

Isn't it a magic when you can move a pencil without touching it?! We are exploring the magical world of static electricity.

When Alex played music this way no one could hear it but him. To change the sound he pulled the string a bit tighter or slid hand that was holding the string to change the length of it.

We already know how to poke a balloon without popping it, but this time we are making a hole in a bubble. We have prepared a bubble solution by mixing water and washing up liquid, made a frame from a wire and tied a piece of a thread in...

Do you know how to keep ice for longer? Today we are exploring what materials delay melting of the ice better. The fact that clothes keep us warm confuses some children in thinking that the more materials we wrap around an...

You should not play with food, but you must do these mind-blowing experiments with it to discover electricity in lemon, metal in corn flakes and much more.