3D puzzle

This exciting and colourful game is designed to develop spatial perception. You can check...

Yuri Gagarin's journey to outer space (1961)

Yuri Gagarin became the first human in space on 12 April 1961.

Layers of the skin; cutaneous senses

The skin is the soft outer covering of our body, its three layers are the epidermis, the...

Motorway design and construction

We can travel on dual carriageways on the motorway.

Human skeleton

Our body´s internal support structure to which skeletal muscles are attached.

Covalent bonds in benzene molecules

In benzene there are sigma bonds and delocalised pi bonds between carbon atoms.

Development of the atomic model

Major phases in the history of theories and views about the structure of the atom.

Chain reaction

Energy released during nuclear fission can be used for civilian or military purposes.

Hot-air balloon (18th century)

The French Montgolfier brothers were the first pioneers of flying.

Baths of Caracalla (Rome, 3rd century)

The magnificent bath complex of the Roman Emperor was built in the 3rd century AD.

Bacteria (advanced)

Bacteria are unicellular organisms that have no cell walls and are a few micrometres in...

Watt´s steam engine (18th century)

The steam engine, perfected by the Scottish engineer James Watt, revolutionised technology.

The heart

The heart is the central pump of the cardiovascular system beating several billion times...

Connective tissues

Connective tissues include loose and dense connective tissues, adipose tissue, blood,...

Nervous system

The central nervous system consists of the brain and the spinal cord, the peripheral...

Environmentally friendly vehicles

Combining a conventional internal combustion engine propulsion system with an electric...

Scale exercises

An interesting logical exercise: you have many weights that look the same, you have to...

Structure of proteins

The structure and arrangement of polypeptide chains affects the spatial structure of...

Aluminium smelting

Aluminium smelting is the process of extracting aluminium from alumina by electrolysis.

Dynamo (intermediate)

A dynamo converts mechanical energy into direct current.

Added to your cart.