Designed to produce consistent cracking of emulsion paint. This two-step kit of water-based crackle medium is great for creating a cracked porcelain or aged crackled effect. It creates a dramatic two-colour aged effect when used with paints. The product itself is transparent. It can be used on many different surfaces and is suitable for paper crafting, home dcor projects and much more. It is a must have for crafters! CA792762 CC0400. 2 part Crackle Medium for Adult Craft use, Manufacturer: CADENCE.