White Resin Cog & Gears Heart (R7026) (1 ratings) £0.90 Quantity: at £0.90 each Add To Basket One piece 40mm Flat back. Each piece is handcast from white resin. You can easily change the colours of resin by painting them with gesso, then they can be sprayed with any product, Lindy's is my personal favorite. Paint them and even glitter them. Please allow for slight defects in casting.