Color by numbers book is packed with activities that will help children learn their numbers with simple addition and subtraction problems. This fun workbook will also help youngsters develop color recognition. 64 pages. Act. 8-1/2" wide x 11" high (21.6 cm wide x 28 cm high) | Paperback | 72 perforated, reproducible pages (unless otherwise noted) | Bold lines printed on only one side of each page (unless otherwise noted) | Ages 5 and up (unless otherwise noted)