Explore the world of electronics with the Radio Shack Science Fair 60 in One Electronic Project Lab. With a variety of projects included, you can experiment with variety of circuits, This kit comes with original manual to guide you through each project, but please note that it is incomplete. It does come with some wires but not all, but they should be easy to replace. The manual is in great shape other than one spot on page 10/11. Also, it appears that the battery area may have had some corrosion at one point. Unit has not been tested. This kit is sure to provide hours of entertainment and learning. Science Fair by Radio Shack 60 in one Electronic Project Lab Model 28-261 Works with 4 AA batteries (not included) Board looks great (battery area may have some corrosion) Comes with some (not all) of the circuit wires Great replacement or add-on for an existing set Ships fast from a smoke/pet-free environment *This item will process and ship within 24 hours of payment (business days/hour) or you get it for Free!*