Converts Snap Circuits SC500 into Snap Circuits SC750. Comes with 10 new parts including CI-73 computer interface and solar panel to build more than 250 additional projects.; From the Manufacturer; Get the additional parts and manuals to take your Snap Circuit Kit to the next level. UC-80 Converts Snap Circuits SC500 into Snap Circuits SC750. Includes 10 new parts including CI-73 Computer Interface, a solar panel, and more. 450 more projects.
