The Prehistoric Colouring Postcards consists of four A5 size colouring cards and six colouring pencils. There is a colourful header card and all are held in a clear cellophane bag.

On the front of the cards are the images of Tyrannosaurus Rex, Early Man, a card showing the Prehistoric Timeline in 4 images and a card showing Dinosaurs, Reptiles and Birds on one card.

On the reverse of each card there is an area to write a message and an area to put a stamp and an address. There is also education relating to each card.