(image for) \'Spinthariscope\' Coffee Mug

'Spinthariscope' Coffee Mug

The Spinthariscope was the first product that we manufactured in our own shop. It was an updated version of the original Spinthariscope invented by Sir William Crookes, and a popular 1950s era toy version that you could buy with a box top from Kix breakfast cereal. Our very colorful Spinthariscope...