Play and fun

Full speed ahead and cast off for the balloon boat.

This hovering eagle only rests on its beak and thus keeps its balan...

When you blow into the decorative bird whistle filled with water, i...

When you blow into the decorative bird whistle filled with water, i...

If you blow into the wooden tube, the polystyrene ball starts to fl...

If you blow into the wooden tube, the polystyrene ball starts to fl...

Flat, light and amazingly good. The foldable binoculars made of car...

Flat, light and amazingly good. The foldable binoculars made of car...

With this high-quality wooden kit, an arch bridge can be built step...

This pendulum playfully demonstrates the conservation of momentum.

This great variation of our physics game shows the conservation of ...

Creating a real tornado in a bottle? Of course you can, with this t...

Creating a real tornado in a bottle? Of course you can, with this t...

Creating a real tornado in a bottle? Of course you can, with this t...

Creating a real tornado in a bottle? Of course you can, with this t...

The "Whistling Rocket Ball", a throwing rocket that playfully train...