These are specially made Magicians coins. The coins look like regular coins, but have a magical motif, and the legend "Coin for Magician". The set contains three coins: Copper, Silver and Gold. They will permit you to perform several transformation effects, or all your usual coin tricks, with a more intriguing and attractive prop. Each coin is 29 mm in diameter, and 2.25 mm thick, and weighs 9 gms. making them ideal for coin sleights. Since these coins are made of copper, then silver and gold plated, they cost a little more than actual coins. But you get a matched set, ideal for all your coin magic, where regular coins will not fit the bill. You get these coins as a matched set of 3. No instructions are supplied - get them if you know what you want to do with them !