The key element of this project is a regular triangular prism.

The invention of the calendar is a remarkable event for humanity. The fact that a year consists of 12 months is no secret to anyone.

Since then, people have grouped 12 months into calendars in a variety of ways.

The Great Archimedes is ready to help us.

And it's great! According to legends, Archimedes created amazing structures to defend Syracuse's hometown in the battle with the Roman Empire.

This little "joke" task will keep your kids (students) busy for a while!

What plastic tetrahedron* needs to be melted to cast a cube with an edge length of 50 mm from this plastic?

If you don't like math, then on Halloween, evil forces will come for you! Create two guards who will protect you from evil forces! Well, or, be ready for the math exam….

Develop spatial imagination