Unicorn Or Mermaid Design Colouring Book. 36 sheets (72 pages). 70gsm White Paper.includes clear & simple designs for children to colour in. The popular mermaid & unicorn themes are loved by young girls and will encourage their creativity whilst ensuring they spend time away from screens. Ideal for a rainy day or for hours of fun on long journeys. Two designs: Unicorn and Mermaid. One random design will be supplied.