Crystal Cave: The Ultimate Geometry Colouring Book

This incredible 96-page collection contains every single one of the world famous Altair Design patterns and brings together new designs by Roger Burrows, Prof Roger Penrose, Haifa Khawaja and John Martineau. What do you see? Colour it in!

• | By (Author): Roger Penrose
• | Publisher: Wooden Books
• | Publication Date: Oct 01, 2015
• | Country of Publication: United Kingdom
• | Number of Pages: 96 pages
• | Language: Unknown
• | Binding: Softback
• | ISBN-10: 1907155171
• | ISBN-13: 9781907155178