It was a historic moment when Thomas Alva Edison succeeded in recording his voice in 1877. This Pocket-Phonograph goes back to one of his patents as well A thin strip with grooves carved into one side is connected to a resonator. The recorded sound can then be played back with the nail of your thumb.
Assemble a smart robotic crab with these fun and educational kits, and watch it scurry around on the table top. It creeps and crawls along, detecting the table edges so it never falls off. Requires 1 AAA battery, not included. Recommended For Ages 8 Plus.
The heart of this unusual thermal engine is a thin ring of Nitinol wire (0.3mm). Some warm water is enough to make the Nitinol Engine run. Nitinol is an alloy of nickel and titanium which has exceptional properties: at low temperatures it is soft and bendy, but as soon as it is heated above a certain transition temperature, it instantly becomes hard and...
Pre-punched kit with gold, black, red, blue, and white printing. Construction time: 8-12 hours Includes: planet spheres, axles, and PVC bearings. Height: 34cm, Diameter: 33cm
The Desktop Planetarium is a beautiful instrument and showpiece. But it is also a very useful teaching tool. If you are planning on transporting your valuable Planetarium to different venues, it is helpful if you can take it apart and transport it flat.
A world premiere: the first ever fully functional cardboard orrery! It demonstrates the movements of Mercury, Venus, Earth and Moon around the Sun
After lots of use the belts of the orrery can become brittle. Sunlight and over-stretching can speed up this process
Cut-out sheet for a dome-shaped star chart with distortion-free depiction of all stars and constellations visible in the northern sky down to latitudes of 40ºN. Includes date and time markers to simplify locating stars and constellations
If you want to look straight into the sun, you should only do so with the proper eye protection.
Literally translated a kaleidoscope is a “beautiful-shape-to-look-at”. Already known by the Greeks , it was re-invented in 1816 by David Brewster. The appeal of this beautiful kit is that you can change the filling of the viewing chamber to produce the most wonderful patterns. Complete with lens and mirrors
A steam engine made from cardboard, running with proper boiling steam - is that really possible? Oh yes!!! See for yourself: this model not only looks great, it also works, happily chuff-chuffing away. The boiler, made from an aluminium tin, has a magnetic safety valve. The aluminium fire box underneath holds five tea lights. Both are enclosed in a safety...
The five platonic solids are named after the Greek philosopher Plato, who described them extensively in his dialogue “Timaeus”. He saw in them the smallest, invisible building blocks of the world and assigned them to the classical elements. However, the five solids have been known for much longer, as for example 5000 year old engraved stones from Scotland...
In 1910 the German Poet Christian Morgenstern wrote a poem about an inventor and his “Tagnachtlampe”, a lamp that turns day into night when you switch it on. 49 years later, Carl Barks had his Gyro Gearloose invent a similar device, the “gloom light”. Both ideas were never realised, not even filed for patent!
“The Golden Dividers” is not the name of a secret organisation, nor are they made from gold either. It is a kit for a set of dividers with a third leg that allows for determining the golden ratio in nature and artificial objects, like photographs, sculptures, drawings, etc.
Cardboard kit for a fully functional slide rule, the predecessor of the pocket calculator. Allows for easy multiplication, division, calculation of squares, cubes, square and cubic roots, as well as the inverse.
The Royal Cubit played a central part in the culture of ancient Egypt since its very beginnings 5000 years ago and is therefore one of the very first standards of measurement. In nearly every historical egyptian building and artefact you can find parts made to fractions or multiples of this cubit
Only 2 inches small but already an AstroMedia classic, not only for children’s birthday parties. The colourful cardboard ring holds a special spectral film that turns any light source into a fan of breathtaking rainbow colour. Just hold the Twinky close to your eye and look through it.
A spinning top that turns upside-down when spun fast enough! The Tippe Top was invented by the Munich nurse Helene Sperl at the end of the last century. The centre of gravity of the Tippe Top lies below the centre of the sphere.
A small tube that has a great effect: Take two ordinary plastic drink bottles, fill one two thirds with water and then connect the two bottles with our Bottle Tornado tube. When you now turn the bottles upside-down, the water starts gurgling down, creating a large vortex (you might have to squeeze the lower bottle a bit to start the process)
Our Goethe Wall Barometer is hand blown from a traditional glass formula called “forest glass” in Lauscha, Thuringia in Germany. It is a copy of the original barometer from 1792/93 that was found in Goethe’s house in Weimar after his death. The slight green tinge of the glass and its texture make it look like a real antique.
Incredible: a key ring that turns into a proper kite of nearly half a metre wingspan! It doesn’t need any rods, it is stabilised by two air pockets. The whole kite fits into a tiny pocket that is attached to a key ring. A fantastic toy for young and old. Complete with 15 metre string on a spindle.
Air ship shaped balloon, 3 m long, 0.6 m thick, made from thin black film. The sun warms up the enclosed air and makes the zeppelin rise, even in winter. Complete with 50 m string.
a)Room thermometer, range 14°C to 31°C in steps of 1°C, 18 x 130 mm, self-adhesive b) Round thermometer, range 14°C to 32°C in steps of 2°C, diameter 50 mm, self-adhesive c)Fever thermometer, range 35°C to 40°C in steps of 1°C, 18 x 90 mm. Just press on the forehead for 5 seconds to measure the body temperature.
With these cast iron filings you can make magnetic fields visible! You can sprinkle the filings on a sheet of paper or cardboard and hold a magnet underneath, or you put them into a glass jar and hold the magnet against the glass.
Produces 3000°C hot sparks when struck with the enclosed tool or another sharp edged steel object (knife back). These sparks set fire to any dry tinder like paper or magnesium chips (see below) even in wet conditions. Can also be used for signalling in the dark. .
Bar made from 99.95% pure magnesium, as was used for photographic flashes. Chips can easily be scraped off with a knife. These are the ultimate tinder and burn with a 3000°C hot flame that ignites even wet material The bar itself is as safe as a bar of aluminium. The perfect addition to our fire steel and can be threaded on its leather strap. Size: 9 x 19...
In addition to water clocks and fire clocks, night clocks made from precious incense were also in use in ancient Asia. These special incense sticks change their fragrance with time. We have recreated this old tradition with our Indian Fragrance Clock.
Massive and robust decorative compass 360 degree compass scale Compass bottom with velvet lining
Compass with pocket-watch-style flip cover and sun dial
FEATURES Nostalgic sighting mirror compass Sinus conversion chart on the lid With circular level and clinometer 360° scale division, adjustable Massive metal finish Hand crafted Each unit is unique A very special gift Laser engraving available