Elenco Snap Circuits UC-30 Upgrade Kit SC-100 to SC-300
Get the additional Parts and manuals to take your Snap Circuit Kit to the next level. UC-30 Converts your Snap Circuits SC-100 to the Snap Circuits SC-300. Includes 30 new parts including AM radio components, transistors, ICs, capacitors, resistors, and more. 200 more projects.