SPECIAL SET - Book & Ruler - Flying Geese X 4 (LGDFGX4). Flying Geese x 4 No Math Lineaal - Lazy Girl - FLY-GEESEx4-Ruler/Book-Set This fantastic flying geese ruler is wonderful for creating Flying Geese blocks without any math! The ruler makes 4 Flying Geese units from sizes 3/4" x 1 1/2" thru 3 1/2" x 7" with each repeat of this very easy technique. No triangles to cut or sew. All ruler marking are finished sizes. Block possibilities unlimited. Make a block or a flock of flying geese with this step by step guide to 150 flying geese block designs. This book is based on making flying geese using the Flying Geese x 4 No math ruler.. Normally priced at 43.90 Euro for set - Now 38.50 Euro - You Save 5.40 Euro a Set.