Lot of three erector sets. There is a very early erector set No. 1, patented 1913 by Mysto Company, Connecticut, with pamphlet and appearing complete, with nice depiction of family putting together erector parts in an early 20th century parlor. The second is a 10 - 1/2 erector mini set that makes a merry-go-round model with horses. The third is a scarce 3D 1927 erector Magic Erectorscope. All are tough to find. Some tape to boxes and some edge wear. Condition: (Very Good - Excellent). Dimensions: Largest: 16 - 1/2" x 11 - 3/4" x 1 - 1/4".