Check the listing for details. Silicone Mold Mini Bricks Miniature accessories School project Concrete blocks. Color: Purple, Condition: New. Listed at 12.90 USD. Product Information: Made of high-quality food-grade silicone, easy to use these molds are heat-resistant and durable. The molds work great with gypsum and any sort of resin.Silicone mold is suitable for casting gypsum, polyester, epoxy resins other casting materials. High-quality and uniform filling of small relief details of the copied model. All items that are used for scale are not included in this purchase. Items may include boxes/barrels. If you are unsure of what you are receiving for the purchase price, please contact us prior to ordering.Enquires and Questions: If you have any questions or problems with your purchase please contact me, I am always happy to help and will do my best to respond as quickly as possible (usually within a few hours).