Four-stroke Otto engine

This animation demonstrates the type of engine most commonly used in cars.

Domestic electric light sources

This animation shows the characteristics of domestic light sources, from traditional light bulbs to LED...

Viking stave church (Borgund, 13th century)

A wooden church built in the 12th-13th centuries, the best preserved of Norway´s stave churches.

Chess games

Chess games can help to develop logic skills.

Human body (male)

This animation introduces the most important systems of the human body.

Stephenson’s Rocket (1829)

The English engineer George Stephenson’s locomotive was built for a competition of locomotives in 1829.

The world famous monument in England still poses mysteries for archeologist.

Notable products

A spectacular demonstration of algebraic expressions.

This animation demonstrates different types of volcanic eruptions.

Leonardo da Vinci’s workshop (Florence, 16th century)

Visit the workshop of the Renaissance polymath and his most important inventions and works of art.

The ear and the mechanism of hearing

Ears convert the vibrations of air into electric signals which are then processed by the brain.

Acropolis (Athens, 5th century BC)

The world´s most famous citadel, the Acropolis of Athens was built in the 5th century B.C., during the Age...

How does it work? - Optical disc drives

This animation demonstrates the structure and operation of different types of optical disc drives.

Apple tree

The apple is one of the most popular fruits around the world.


A mushroom is the fleshy fruiting body of a fungus.


A lightning is a sudden electrostatic discharge accompanied by a sound known as thunder.


Machines converting the energy of flowing or falling water into useful forms of power were already in use in...

Machu Picchu (15th century)

The ancient Inca city, located in present-day Peru, is a World Heritage Site.

This exciting and colorful game is designed to develop spatial perception. You can check your solutions using...

Lesser horseshoe bat

Bats use ultrasound to navigate and hunt for prey.

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