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| Gifts & Gizmos |
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| Age, Key Stage+ |
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3.5" Brass Sundial (Dollond)
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Our wooden-boxed brass sundial is a completely self-contained portable instrument, inspired by a design from the 18th century instrument maker Peter Dollond, founder of a great optical empire. The original is in the London Science Museum. Instruments like this were once used by explorers and navigators to tell the time anywhere in the world. For this to be possible, the gnomon, which casts the shadow, can be set for latitude on a sliding scale and the whole instrument oriented for direction by means of... more >>> |
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£30.00 |
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Crooke’s Radiometer, bakelite stand
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Evacuated glass bulb of approx. 70mm diameter having fine pivot at its centre which supports four light weight vane of mica 10mm square approx. and blackened on one surface. Mounted on a bakelite stand. When exposed to sunlight or bright lamp, the rotor rotates rapidly.
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£17.95 |
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Original Newton's Cradle
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An LB Classic! Designed by
Mr Loncraine and Mr Broxton over 25 years ago! The first and still the best.
This demonstrates Newton's principle that 'action and reaction are equal and opposite'. If one of the steel balls is lifted and allowed to fall back at one end, then one will swing out the same distance at the other end. This causes the beginning of perpetual motion which dies down only as a result of friction, an interesting process to watch.
If you raise and release one ball, one ball is... more >>> |
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£14.00 |
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Solar Radiometer
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This radiometer is made by traditional Thuringian hand-blowing in Germany, of crystal-clear Lauschaer bottle glass.
In the glass body is a 4-vane drive assembly, which turns under the influence of light. One side of each vane is black, the other is silver.
Height: ca. 15cm. (6 in)
Globe diameter: ca. 8cm. (3.25 in)
The Crookes radiometer, also known as the light mill or solar engine, consists of an airtight glass bulb, containing a partial vacuum. Inside are a set of vanes which are mounted on a... more >>> |
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£25.00 |
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Solar Radiometer, blue
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This radiometer is made by traditional Thuringian hand-blowing in Germany, of Lauschaer bottle glass - blue-tinted for the globe, clear for the top and foot.
In the glass body is a 4-vane drive assembly, which turns under the influence of light. One side of each vane is black, the other is silver.
Height: ca. 15cm. (6 in)
Globe diameter: ca. 8cm. (3.25 in)
The Crookes radiometer, also known as the light mill or solar engine, consists of an airtight glass bulb, containing a partial vacuum. Inside... more >>> |
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£25.50 |
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Solar Radiometer, long glass stem
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In a vacuum inside a free-standing globe the vanes constantly revolve in sunlight. The simplest possible demonstration of solar power.
The radiometer is made by traditional Thuringian hand-blowing in Germany, of crystal-clear Lauschaer bottle glass.
In the glass body is a 4-vane drive assembly, which turns under the influence of light. One side of each vane is black, the other is silver.
Height: ca. 20.5 cm. (8 in)
Globe diameter: ca. 8cm. (3.25 in)
The Crookes radiometer was invented by the... more >>> |
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£25.50 |
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Solar Radiometer, wood stem
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In a vacuum inside a free-standing globe the vanes constantly revolve in sunlight. The simplest possible demonstration of solar power.
The radiometer is made by traditional Thuringian hand-blowing in Germany, of crystal-clear Lauschaer bottle glass.
In the glass body is a 4-vane drive assembly, which turns under the influence of light. One side of each vane is black, the other is silver.
Height: ca. 23 cm. (9 in)
Globe diameter: ca. 8cm. (3.25 in)
The Crookes radiometer was invented by the... more >>> |
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£30.60 |
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Star Globe
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This shows all the stars and constellation visible from Earth. You set the date, hour and latitude and the half sphere that you can see shows stars that are visible. It has a built-in compass so you can line it up, then look up to the sky and tell which star is which. Diameter 6". Stand is included.
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£30.60 |
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| 6+ |
Glow in the Dark Solar System Mobile
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Bring home the heavens with this glow in the dark solar system in a box. Hangs from your ceiling. Anyone into planet watching will love this personal planetarium.
This set includes a bright, glowing sun, as well as the eight planets that complete the solar system plus Pluto. The sun and planets come with hangers, and the kit includes 32 feet of clear plastic line to hang the solar system from the ceiling and a solar system guide. Bring the universe to your fingertips with the flip of a switch with... more >>> |
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£8.95 |
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| 8+ |
AntWorks - A Space-Age Habitat for Ants
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The AntWorks (TM) out of this world story!
AntWorks is based on a 2003 NASA Space Shuttle experiment to study animal life in space and test how ants successfully tunnel in microgravity.
The AntWorks Gel is complete with nutrients to promote healthy growth in the new colony.
Watch ants live, work and tunnel in the nutritious and non-toxic gel as they create series upon series of intricate tunnels.
Easy to care for - Ants need NO food or water.
Habitat is 16 x 15 x 3 cm.
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£19.99 |
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