Ball in a Bowl
Particle accelerator. Hula hoop meets spinning coins: balls orbit inside the sphere. Circular movements propel the two balls onto their orbits within the…
Shorter path = faster to the goal? A question that occupied the best mathematicians three hundred years ago. This competition compares two parallel tracks,…
Bouncing (Steel) Ball
Ping-ping, not ping-pong. When a ping-pong ball drops onto the table, its sound is unmistakable. A tapping noise that grows quicker and quicker. This happens…
Drawing on the Move
Elegant circles, spirals, and ellipses. Above a disc with variable rotational speed lies a ruler. If the pen is held still along the ruler, circles are drawn.…
Equal Times
Meeting – in the middle. On this track, a tautochrone, the time it takes for a ball to reach the lowest point is always the same. If we release two balls,…
Falling Water
Splash! From the cube of the Wonder Bridge, five tons of water plunge into the void. Part of the water is propelled through a halfpipe, soaring well beyond…
Fork balance
You can not only eat with a fork, but they are also easy to balance....
Full body involvement
Perceive quickly and react immediately with coordinated, skillful movements. Developed as a piece of sports equipment, “Full Body Involvement” promotes…
Jumping Water
Fascinating Water Arches. Is solid water flying through the air? Beautiful: sometimes, continuous arches form, almost like tent poles, but made of water.…
Lissajous Double Spring
Vibration as a still image. Lissajous figures are the intertwined curves, like those shown by the LED at the end of the spring. Small works of art created by…
Marble track wall
Various tubes, wooden boards, cardboard strips, etc. can be attached to the large perforated walls with long wooden dowels. This creates very individual marble…
Pendulum Cradle (Click-Clack)
Pendulum like Newton. One ball hits the row – one ball bounces away. Two balls hit the row: how many will bounce away now? Here’s a clue: The momentum of an…
Propulsion paths
Gear wheels of different sizes can be put together and several wheels can be connected with rubber bands. Can you make the whole construction work from start…
Rope Squirter
Indian Rope Trick? The loop stands firm. Guided through two rollers, the rope is driven upward by an electric motor. Surprisingly stable, the loop holds in…
Swinging Drawing Board
Just let it draw. The drawing board swings, deliberately. Suspended by four cords, a single push is enough to create a work of art. Drawn as if by magic. The…
Th shortest Way is not always the quickest
Marble race. Three tracks with the same height difference and the same horizontal distance, but different curves: the straight path is the shortest,…
Two Wheels and a Ball
Opposing Circular Motions. In the middle: a ball. On its sides: two wheels. How does the ball move when both discs spin at the same speed? And how does it…
Small building blocks, big effects: Design your chain reaction
A small impulse can change the world. The flap of a butterfly's wings that triggers a hurricane on the other side of the world, or the cry of a mountain…
Acoustics
Aggregate states
Algorithms
Animals, plants, habitats
Atomic and quantum physics
Atomic structure
Automats
Biology
Buoyancy
Chaos
Characteristics of life
Chemical Reactions
Chemistry
Colors
Computer science
Cryptology
Currents
Data and information
Design elements
Earth sciences
Electricity
Electricity and energy
Electricity and magnetism
Elektromagnetismus
