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엑스트라

Is it cold or is it warm? I bet you can't decide.

I bet that you cannot feel both sharp pencils.

I bet that, using fruits, I can make batteries that can power a watch or a calculator.

I bet I can make chicken bone soft.

In this lesson you can learn about the famous Bulgarian writer and newspaper editor of the 19th century, who was one of the most important figures of the Bulgarian National Revival.

I bet I can differentiate between oil and water.

I bet I can feed many people using just a spoonful of yoghurt.

I bet I can turn a banana blue!

I bet I can make milk move without stirring it.

I bet I can detect cream adulteration.

I bet I can make a chicken bone brittle.

I bet I can add a stereoscopic effect to any picture.

I bet I can trick your taste sensation.

I bet I can make water move in the pan using heat.

I bet I can measure echo with simple tools.

I bet I can burst a balloon with an orange.

I bet I can show why our leg breaks easier if hit from the side instead of from above.

I bet I can get water from a potato.

I bet I can show which type of soil absorbs water better.

I bet I can find out if there is Vitamin C in the tablet.

In this lesson, you will learn about a significant Bulgarian writer and public figure who lived in the late 19th century.

Learn about the life of the playwright, considered the father of Bulgarian Theatre.

I bet I can prove that milk contains sugar.