Great condition,  no marks

The K'NEX Book of Big Ideas is a book published in 1997 by K'NEX Industries, Inc. It contains over 100 fun building ideas in English. The book is focused on providing inspiration and creativity for builders of all ages, with the aim of encouraging imaginative play and problem-solving skills. With a variety of creative projects and designs to explore, the K'NEX Book of Big Ideas is a great resource for anyone interested in building and constructing with the K'NEX building system.