Black Widow's Robot Evrika, Designer, 43 details, on water with salt

Gather the Black Widow!

We present to your attention a unique model of the most dangerous spider in the world - a black widow. To set it in motion, neither gasoline nor batteries are needed - a little salty water is enough.

This is a great way to introduce children to new sources of energy and show how they work.

Operating manual

Not only interesting, but also useful!

Games in “Progressive Technologies” will teach the child to construct and create their own inventions, as well as develop logic, imagination and fine motor skills.

The kit includes 43 details, among which:

• red gear;
• gear with a shaft;
• Round shaft;
• sponge;
• Black air cathode;
• non -woven material;
• Magnesium sheet.

Additionally required:

• glass,
• salt,
• wands for mixing,
• screwdriver,
• nippers.

All materials used in the set are environmentally friendly and non -toxic! The model does not heat up, so it is absolutely safe for the game.

The product is recommended for children over 8 years of age.