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For people who have everything. One of many eBay stores that sells samples of the elements. Some are hazardous, so they're either not available (the radioactive ones) or enclosed in glass ampoules (sealed vials, don't let the toddler chew them). Whether you're getting the genuine article is another question. Some research to find reputable companies first might be a good idea. What are elements? Chemical elements are the fundamental substances from which all materials are made. They can't be broken into simpler substances. So for instance water is made from the elemental gases hydrogen and oxygen and has the formula H₂0 . All materials are made from atoms and molecules which are like the Lego building blocks of matter (although they don't look like bricks. In fact atoms can't be "seen" as such because light doesn't work at such small dimensions). A molecule is a collection of atoms and the subscript "2" in H₂0 means that each molecule of water is made from two hydrogen atoms and one oxygen atom. Other examples of compounds, substances made from two or more elements are carbon dioxide CO₂ which is one carbon and two oxygen atoms and common table salt NaCl (A molecule consisting of one sodium atom Na and one chlorine atom Cl).
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