Colour the 4 funny and freaky illustrations with silly monster characters. Once you have finished the picture transforms into optical illusions with the supplied 3D glasses. Children follow the artists’ designs to colour in the 4 pictures, then put on the 3D glasses: the result is incredible, the illustrations come to life! The set contains 4 pictures to colour, a set of 7 colourful felt brushes, 3D glasses and full instructions. 7+ years.