Starwave 50mm Straight Through Finder Scope with an indexed...
Used & in "Very Good Condition". Checked over by our expert team...
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.
This beautiful kit is based on the last remaining telescope that belonged to Galileo (the oldest telescope in the world): a leather-bound show piece with golden ornaments for Cosimo II de Medici, which now is on show in Florence.
Kit Form If you want to look straight into the sun, you should only do so with the proper eye protection. With a bit of cutting and glue you can make your own Solar Observation Specs with original Baader solar filters with a filter factor of 100,000. The filters are CE certified and offer perfect protection when observing the sun.
A special egg timer: the sand doesn’t land on a uniform hill, but forms strange structures! In a normal egg timer the sand always forms a flat cone onto whose tip the sand falls from above. This sand in this egg timer does the same, until you stand it in its wooden stand.
This is a kit for a fully functional Newton reflecting telescope with Dobsonian mounting. The main BAADER glass mirror with SiO2 coating has a diameter of 70 mm and a focus length of 450 mm. Two eyepieces provide magnification factors of 16 and 30, enough for moon craters and even the moons of Jupiter. Size: 45 x 16 x 28 cm
A rainbow for indoors! This large crown glass prism projects beautiful spectral colours into your room. Hang the prism in a south-west or south-east facing window. When the low standing sun shines through the prism, it projects fields of spectral colours sideways into the room. A slight spin of the prism makes them dance around beautifully.
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...
Scary buccaneer design with glittering gold print. Very simple assembly for old salts and land lubbers alike. Two lenses for 6.5 x magnification. Ideal for group work or children’s birthday parties. Construction time: 20 min Size: 4.5 x 4.5 x 15.5 (-23) cm
A robust galilean mini-telescope with a magnification of 3.5 and not much bigger than a lipstick. This kit is not pre-punched, the parts need cutting out with scissors or a craft-knife A neat little kit that includes the OptiMedia lenses 1 and 6. Size: 2 x 2 x 8.5 (-11) cm
Alan Davies and Phill Jupitus try out upside down goggles - QI Series N Episode 8: Preview - BBC Two These amazing Reversing Goggles allow you to view the world upside down! The plastic goggles hold two Dove prisms, which invert the image. Available in: Ready to use or Kit form - Selection on Right
Set of 20 all-purpose permanent magnets made from a ceramic compound of iron oxide (ferrite). Ideal for homemade fridge magnets or for experiments with our iron filings (see above). Height: 4mm, Diameter: 8mm
With this simple kit you can build a cardboard version of the telescope he used in the 17th century. An easy to build kit consists of a cardboard tube and two lenses The prepunched kit contains an objective lens with a 225mm focal length and an eyepiece lens with a 35mm focal length. Giving a magnification of 6.4x
A solar filter for the Newton Telescope. Use this filter to safely observe sun spots.
A very special photographic paper from the early days of photography. Just put objects or negatives on the paper and expose it to the sun light. The outlines of the objects will show up as a silhouette. Pack of 20 sheets, 140 x 190 mm
How did our ancestors tell the time at night? This reconstruction of a 500 year old stardial shows the time with the help of the North Star and the Big Dipper. You can even read it in the dark, using only your finger tips! On the back of the dial you find a mariner’s astrolabe for measuring the height of the Sun, stars, and landmarks.
This practical instrument projects the sun onto a view screen. The diameter of the projection is 55 or 75 mm. Easy and safe to use so an ideal way to introduce children to the sun! The optics consists of an achromatic glass lens, one plane and two convex mirrors. The projector can be adjusted from 0 to 90 degrees, two quadrants measure the sun’s...
This Queen of sundials can be adjusted to any location in the world to show the true local time. A robust and beautiful precision instrument. Size: 1 x 14.4 c 17.5 cm Download Instructions
Safe solar observation! 100% UV-protection, 100% IR-protection, sun light intensity reduced by 99,999% Our Solar Viewer AstroSolar® Silver/Gold – MADE IN GERMANY – safely protect your eyes for visual solar observation. This is THE solution to see the partial phase of Solar Eclipses or even big sunspots with your own eyes!
A superb pair of solar eclipse glasses fully CE approved for safe viewing of eclipses, transits and larger sunspots filtering out 100% of harmful UV whilst showing a true orange solar disk.
Probably one of the best known scientific toys in the world, also known as “Happy Drinking Bird”. If you regularly fill his glass with new water, he will forever carry on sipping, seesawing back and forth. This toy had been banned in Europe for a long time because of its former harmful filling. But now Astromedia have found a version that has full EU...
The Storm Glass Barometer came into general use during the early 1700s. Sailors attached this instrument to the mast of their ship and by interpretation of the constantly changing crystal formations within, relied upon it to forecast the weather for nearly 250 years.
The principle of this thermometer was discovered by Galileo Galilei: Suspended in the liquid inside the cylinder are a number of weights which are attached to sealed glass bulbs.
Simply pop open the wings of these ladybirds to reveal a 3.5x magnifying lens for in-depth inspection of insects and other small finds. Screw-on cap and air vents keep specimens secure. Ages 3-7
Observe on a grand scale with these extra-large magnifiers! Built-in stand allows for hands-free viewing at 4.5x magnification. Ages 3-7
Real Science tools perfectly sized for little hands! Engage young scientists with this hands-on exploration set featuring real tools sized perfectly for little hands. Students can follow the step-by-step, fully illustrated activity cards or experiment with their own ideas. They'll be having so much fun they won't even realise they're learning! Ages 4-8
Put this real science tool safely into little hands A real-working, microscope designed for little hands! Ages 3-7
The LensPen is a great tool for all of your optical equipment, including eyepieces, telescopes, spotting scopes, binoculars, microscopes, cameras, lenses, and more. Even your spectacles! Good for approximately 500 uses - No liquids are used...nothing to spill or dry out.
Choose Size On Right Its surface is covered with concentric grooves that refract the light. Nowadays they find wide use e.g. in light houses and overhead projectors. Well suited as magnifying glasses for reading small text. Some In the form of a round magnifying glass with handle, magnification 3x, with good resolution