3D Geometrical Objects 

The program can represent the following objects in 3D space: regular prism (3 to 10 sides); general three-sided prism; special four-sided prism (adjustable inclination of sides); regular pyramid (3 to 10 sides). Interactive 3D animation.
math geometry pyramid prism education science shareware software elearning e-learning

3D Ball Slider 

3D Ball Slider is a peaceful game that develops concentration and spatial coordination skills. You make balls roll on various surfaces controlling their movements to their final stand. It includes 3 levels of difficulty with each 61 runs.
3d ball slider game ball rolling on ice peaceful concentration

euphOrbit 

euphOrbit version 1.0 is a simple tool designed to simulate the motions of planetary bodies in space. The primary design philosophy of this program was that it had to simulate asteroids speeding through our Solar System close to "true life".
astro solar orbit planet gravity asteroid newton kepler nasa orbital perihelium