Snap Circuits UC-60 Electronics Exploration Upgrade Kit | SC-100 to SC-750 | Upgrade Junior to Extreme Get the additional parts and manuals to take your Snap Circuit Kit to the next level UC-60 Converts your Snap Circuits SC-100 to the Snap Circuits SC-750 Includes 52 new parts including AM radio components, transistors, ICs, capacitors, resistors, recorders, a meter CI-73 Computer Interface, a solar panel, and more 650 more projects Part of the extremely popular Snap-Circuits educational electronics series from Elenco Electronics