Pebeo Gedeo Crystal Resin This is a fun medium to use. The crystal resin is designed to imitate the look of glas. It is a solid and transparent medium unless you add some pigment or paint then it takes on that colour in the piece you are making. It is recommended that you use a silcone mould there are a number of designs and themes to choose from. The silcone makes it easy to get the dried resin out. you can get really interresting peice from adding items in to the moulds like small shells or glitter. Make button ear rings or just simple beads. These pack comes with 200ml of Gedeo Crystal Resin and 100ml of Gedeo Crystal Hardener. Protective Gloves, 2 measures, 2 mixers, 1 user guide with tips and step by step help. Must be 18 years or over to buy. Adult supervision. Read caution information before use. Keep out of way of children.. wear pretective gear.