Excellent display boards, or sheets to hand out to students. Each page consists of valuable information about: Timber - Softwood, Hardwood and MDF - About, where it originate, samples and use. Metal - Ferrous and Non Ferrous - About, where it originate, samples and use. Smart materials - About, where it originate, samples and use. About thermosetting, memory shape form, thermochromic etc. 11 A3 pages all together. Timber 3 pages. Metal - 2 Pages Plastic and Smart materials - 6 pages.