Nothing to ship! Everything is downloadable upon purchase. Besides providing a stellar Montessori-based education for pre-K through 3rd grade, Kit I Virtual is also recommended to fill the holes in the math foundations of 7-14 year olds without digging a money hole at the same time. Valid for 5 years, downloads* include Lesson Books 1, 2, and 3, Answer Guides 1, 2, and 3 with 12 diagnostic tests; all 25 Kit I songs; Completed Worksheets; Review Test Scoresheets; and the downloadable printables for the Parent Guide, number cards, shapes, dominoes, number tiles, and the operator set. If you have basic household manipulatives and decimal material and are on a budget but still want the full value of Montessori-based multi-sensorial lessons unique to ShillerMath, Kit I Virtual for pre-K through 3rd grade is the perfect solution. Also uses materials to be supplied by educator.