Snap Circuits UC-30 Upgrade Kit Expands SC100 to SC300

Elenco Snap Circuits Electromagnetism Kit with 3 Additional Projects

NEW Snap Circuits UC-30 Upgrade Kit Expands SC100 to SC300 Snap Circuits Jr Kit

Elenco Snap Circuits Extreme SC-750 Electronic Kit, 750 Projects, Ages 8+

Elenco Snap Circuits Lot Jr + Upgrade kit SC-100 to SC-300 UC-30

Snap Circuit Upgrade Kit - SC100 to SC300

Snap Circuits Replacement Parts Lot – ICs, Switches, Resistors, Speaker

Elenco Snap Circuits Extreme SC-750 Electronics Exploration Kit - complete