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Riddle

Exhibit-Links
11374 Haupt

"Delta Phi"

Optical phenomenon: caustics. The surface of this object resembles that of moving water. Illuminated from above, it reflects incoming light rays in various…

10601 1

2x2 Puzzle

Four cubes fit together in the box. Each cube has 4 quarter-pictures, one on each of 4 faces. The other two faces are transparent, BUT they look onto the…

10228 Haupt

A riddle for intelligent and patient people

Puzzles for the sharp-minded and patient. Trickier than it seems: these eleven puzzles with strings, boards, and rings are challenging. One of them cannot be…

10059 Haupt

Conway Cube

Test your spatial imagination. Assemble nine pieces to form a cube. Three 1x1x1 cubes and six 2x2x1 cuboids. It seems simple, what the renowned British…

10100 Haupt

Disappearing Ghost

The ghost disappears. Where did it go? The ghost reappears. Where did it come from? A puzzle made of three parts: one base element, two pieces to swap. How…

11012 Haupt

Ghost Images

"Triple Eye Lightsticks" Twelve multicolored, vertically arranged LED rods flicker. As the gaze slowly sweeps from left to right, images, text, and patterns…

Kaleidoskop Foto

Kaleidoscope Experiments 1 to 6

Oversized toy or mathematical puzzle? Six kaleidoscopes invite experimentation and reward with crystalline 3-D images. Each kaleidoscope is equipped with a…

Spiegel Labyrinth phä

Mirror Maze

Design a maze with Einstein’s image as it’s goal. At your disposal are five mirrors, many wall pieces, and your trial-and-error learning of the laws of…

10603 1

Mirror Writing 1

Handedness of letters: Most letters of the Roman alphabet are asymmetrical both horizontally and vertically. But C, D and E look the same upside down, though…

10288 Haupt

Möbius Cube Loop

Infinite puzzle. The Möbius strip, assembled from cubes. The building blocks are cubes and corner pieces. The faces of the cubes are painted on their…

10346 Haupt

Quasi-Crystals

Golden rhombohedra. When correctly assembled, the various bodies (cubes stretched along their diagonals and cubes compressed along their diagonals) form a…

10355 Haupt

Rhombo Puzzle

Rhombo-dodecahedron from parallelepipeds. Twelve building blocks (each consisting of two connected parallelepipeds) can be assembled to form a…

10395 Haupt

Soma Cube

7 pieces = 1 cube. Each of the seven components of this large cube is a polycube. This means each piece consists of several small cubes. Spatial imagination…

10345 Detail

Square Puzzle and the Square to Triangle-Conversion

Disassemble and reassemble – discrete geometry. Square puzzle: Nine square tiles of different sizes. Arranged correctly, they fit into an almost-square…

10448 Haupt

T-Puzzle

Frustratingly simple. Four pieces make up a puzzle. When placed correctly, they form the letter T. Child’s play. But: is this task really that easy?

10437 Haupt

Tetrahedron Puzzle I

Three-sided pyramid, puzzle with two pieces. Spatial imagination is required: when correctly combined, these two equally sized bodies form a…

10438 Haupt

Tetrahedron Puzzle II

Three-sided pyramid, puzzle with four pieces. Spatial imagination is required: when correctly combined, these four equally sized bodies form a…

10439 Haupt

Tetrahedron Puzzle III

This puzzle game is mainly about spatial imagination. Four (2 equal) bodies made of spheres are to be assembled to form a tetrahedron.

11829 Illustration

Tricky target well

This exhibit is not accessible during the winter months. Here you have to hit a target in the water with a water jet. To do this, you have to use your combined…

11389 Haupt

What does she say?

The McGurk Effect: hearing with your eyes. Four faces appear on a screen, speaking simultaneously. Depending on which face we focus on, we hear a different…

10519 Haupt

Wolf, Goat and Cabbage

Keep calm, ferryman! Task: transport cabbage, goat, and wolf to the other side of the river. Tricky, since only one other passenger fits on the ferry. The…

Workshop-Links
Spurensicherung expo

CSI Technorama – forensics

Regardless of whether it is a burglary, an accident or a felony, crime scene investigations always begin with securing the evidence. Are there fingerprints?…

Fluoreszenz2

Lighting effects in nature and the home – fluorescence

How can you light up fluorescent objects? Where do lighting effects occur? You extract fluorescent dyes from everyday objects like pudding mixes or laundry…

Pulver1 expo

Unknown substance – chemical analysis

We come across numerous substances in the form of a white powder on a daily basis. Most of the time we can identify the powder by tasting it or smelling it,…

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Air

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Cooperation

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Darstellen

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Digital

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Interferenz

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Lichtstrahl

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Model

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Optical Illusions

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Perspective

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Scientific method

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Water