This downloadable poster has been produced by Gratnells in partnership with the ASE and SchoolScience. The poster links nicely with the 'Benny the Blenny' website, where you will find a free whiteboard resource that has been designed specifically to enhance the classroom use of the poster. it can also be downloaded as a PDF document should you wish to augment your poster with a display. The poster will print as an A4 copy for pupil use in small groups. It can also be printed as a poster made from A4 sheets joined by selecting the 'Poster' option in the print dialogue box and choose a tile scale of 200% to 400%.