I found mine in a local toy shop, it comes in an egg-shaped container and is about 24 grams (0.8 oz).įor this size, I used about a tablespoon of iron oxide, you may require more or less depending on your putty size and amount of magnitism desired.Ĭarefully spoon the iron oxide into centre of putty sheet, then close lid on iron oxide powder to reduce excess iron dust escaping. Thinking Putty comes in different sizes, depending on where you purchase it. Work the putty in your hands a little to warm it up, then stretch it out like a sheet and lay it on your disposable work surface (sheet of paper or paper plate). Open the thinking putty and remove from the container.
Put on your gloves and face mask before you begin. Iron oxide powder is very fine and inhaling it is probably not such a good idea. Start by clearing a space to work, make sure it is well ventilated. If your local artist supply store doesn't carry it, you can always purchase it online. Ferric iron oxide is a fine powder used as black pigment and can be found at art stores. The secret ingredient that makes the putty magnetic is an iron oxide powder, which is ferric (magnetic). Thinking Putty ($2.00 or less) - any colourįerric iron oxide powder (artist supply stores) I'm sure we've all played with Thinking Putty in our youth, but how about magnetic silly putty?īy adding a ferrous component to an already wacky toy we can keep all characteristics of the original putty, but now have the additional dimension of magnetism! I've seen magnetic thinking putty for sale on other websites, but I'll show you how you can make your own for a fraction of the price and in about 20 minutes.Įnough talk, let's make some magnetic putty! Silly putty is a non-Newtonian viscoelastic polymer, better characterized as a dilatant fluid. Silly putty is fun because it has some unique properties: it is viscoelastic, meaning it can be stretched and shaped and mashed back together again and as its apparent viscosity increases directly with respect to the amount of force applied (read: it can be torn or shattered with impact).
Thinking Putty (also known as Silly Putty) is a silicone polymer children's toy.
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