With this kit, adults and children can make colourful desktop holders. Contains materials for three holders and all the instructions Required. This kit is perfect for school-aged children. They can make wonderful holders for their room in red, blue and yellow with only a few materials. It may sound complicated, but the process is actually quite easy, so easy that children as young as 7 years can do this project. Simply combine the casting mix with water, stir until smooth, pour into the mould and allow to harden for a few hours. The moulds are cut out of the cardboard box that comes with the kit.