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LOSGO Technic Car Lamb Aventador Supercar Model, 3868 pcs Technic Custom Building Bloc Sports Car with Motorised Kit Compatible with Lego Technic : Amazon.co.uk: Toys & Games
3868 Phineas and Ferb - LEGO instructions and catalogs library
LEGO Phineas and Ferb game pictures! Finally! - YouTube
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Revitalizing Lego 3868 #2: A WIP Dr. Doofenshmirtz build! Thoughts? (More info in comments) : r/lego
3868 Phineas and Ferb - LEGO instructions and catalogs library