Simply fill the pen with water ad children can Aquadraw their favourite In the Night Garden characters.No mess, no fuss, and it's impossible to go out of the lines, ideal for very young children taking their first creative steps. Scenes magically fade allowing little ones to colour over and over again. Each pack contains 4 different scene cards and 1 Aquadraw pen. For ages 18 months and over. Manufacturer's guarantee 1 year.