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

• Snap Circuits UC-60 Upgrade Kit SC-100 to SC-750

Snap Circuits UC-60 Upgrade Kit SC-100 to SC-750Elenco Electronics Inc