This animation presents the formulas to calculate the perimeter and area of shapes as well as the surface area and volume of solids.
Rotating a geometric shape around a line within its geometric plane as an axis results in a solid of revolution.
This animation demonstrates geometric reflection, a type of geometric transformation both in plane and space.
An interesting logical exercise: you have many weights that look the same, you have to find the only one that is different.
A spectacular demonstration of algebraic expressions.
Chess games can help to develop logic skills.
3-dimensional Cartesian coordinate system with illustrations and exercises that develop spatial perception.
This animation demonstrates geometric rotation, a type of geometric transformation both in plane and space.
This animation demonstrates geometric translation in both plane and space.
The information gathered by the eye is misinterpreted by the brain.
The three important laws describing planetary motion were formulated by Johannes Kepler.
This exciting and colourful game is designed to develop spatial perception. You can check your solutions using isometric views.
A game to practise the use of analogue and digital clocks.
An Ames room is a distorted room that is used to create an optical illusion.
The Möbius strip and the Klein bottle are special two-dimensional surfaces with only one side.
A ray of light is reflected or refracted at the boundary of two mediums with different refractive indices.
Division of space by three intersecting planes in several different arrangements.
To calculate the volume of a tetrahedron we start by calculating the volume of a prism.
A special, 3D version of the well-known Chinese logical game.
Regular dice can be used for solving statistical and probability exercises.