Snap Circuits Jr Select/ SC-130 to SC-300/ Upgrade Kit
- LEVEL UP! - UC-30A upgrades your Snap Circuits Jr Select kit to SC-300 with patented technology.
- GET TO THE NEXT LEVEL with additional parts and new project manual.
- Also upgrades SC-100 to SC-300 - compatible with other Snap Circuits kits including Snap Circuits Light and Snap Circuits 3Di.