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Light Crystal Prism 4.5 inch - £13.80
The Light Crystal Prism will fascinate children by demonstrating the rainbow of colours hidden in natural sunlight. Bevel cut to reflect images into wonderful kaleidoscopic patterns, the Light Crystal Prism will provide hours of imaginative play for your child.
More information about the Light Crystal Prism 4.5 inch
Mirascope - Objects appear to float in mid-air - £8.99
OUT OF STOCK - click here to be emailed when its back in stock
A fascinating optical illusion device and just the sort of scientific curiosity we love. Any item of a suitable size placed in the base appears to float above it totally unsuspended.
More information about the Mirascope - Objects appear to float in mid-air
Radiometer - £11.50
The vanes in the Crooke’s Radiometer are dark and light on opposite sides. Light striking these vanes leads to unequal forces which cause the radiometer to revolve inside its vacuum globe. The reason for the rotation has been the cause of much scientific debate since its invention by chemist Sir William Crooke in 1873.
More information about the Radiometer
Precision Stirling Engine (SOLAR ASSEMBLED) - £94.99
These wonderfully made stirling engines are a joy to watch. They can run from the heat from your hand. They really get up to a speed when place on top of a cup of tea or coffee. Been made over a number of years and this shows with the performance. This version is has a clear plastic top and bottom plate which makes it ideal to put by a window to run from solar power.
More information about the Precision Stirling Engine (SOLAR ASSEMBLED)
SOLAR Powered Precision Stirling Engine (KIT) - £94.99
These wonderfully made stirling engines are a joy to watch. They can run on the heat from your hand. They really get up to a speed when placed on top of a cup of tea or coffee. Been made over a number of years and this shows with the performance. This version is has a clear plastic top and bottom plate which makes it ideal to put by a window to run from solar power.
More information about the SOLAR Powered Precision Stirling Engine (KIT)
Magnetically Levitated Solar Motor - £275.00
The first thing you notice about this product is the fact that it is levitating, then you notice it is spinning using just the power from the sunlight! Ultra-strong neodymium magnets keep it levitating, while more magnets and a copper coils and solar panels keep it rotating.
More information about the Magnetically Levitated Solar Motor
Solar Lighter - £14.99
This is the world's only pocket-sized solar lighter. The stainless steel parabolic mirror can focus the sun's radiant energy to a focal point which can reach 1000 degrees!
More information about the Solar Lighter
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