WILLY WONKA DIY Chocolate Bar Casting Mold. Now you can make your own Willy Wonka chocolate and be like the famous chocolatier. Just buy your prefer chocolate bar from the supermarket, melt it and pour over the mould. keep it inside the fright and soon you will own one of those famous chocolate bar. And best of all, it is edible. Now, it comes together with the golden ticket. A wonderful gift for your children or anyone who is coming for a party.