Our World in Pictures The Periodic Table Flash CardsA fun way to learn and memorize all the elements of the periodic table Get to grips with the periodic table through playing fun games. The periodic table sets out the humble ingredients of everything in the Universe, but with 118 elements, that's a lot of ingredients to remember! This is where DK's Periodic Table Flash Cards come in. Each element has its very own beautifully designed flash card, with the front showing an eye catching image of the pure