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as a single illustration I needed for my 2010 book
Although it was not written explicitly for children
a testament to our 125mm Bonn shutter
Eco Friendly packaging
Product Size: 7" x 6" x 4"
E=MC2 Metal Puzzles collection_Moon as a single illustration IJust one piece from the Einstein puzzle range. Formed of the symbols of Einsteins ground breaking E = mc2 equation. See if you can separate the two pieces of each metal puzzle and then reattach them. Developed in 1905, Einsteins famous theory enabled people to fully grasp the correlation between mass and energy. Even if you cant understand the intricacies of the equation itself, attempting to solve this puzzle provides just the sort of mental
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