Vintage MC Master Construction Building Bricks Lot 1960s–70s LEGO Compatible 1lb

Vintage MC Master Construction building bricks, produced circa 1960s–1970s. These are LEGO-compatible bricks from an early off-brand construction system and feature the distinctive MC logo stamped on the underside (see photos).  These bricks were commonly sold in department stores and toy shops during the mid-20th century and are now sought after by collectors of vintage construction toys and pre-1980 LEGO-compatible bricks.  Details: • Brand: MC / Master Construction • Era: 1960s–1970s • Material: Vintage plastic • Compatibility: Works with standard LEGO bricks • Markings: MC logo on underside • Condition: Pre-owned vintage condition with normal age-related wear (see photos)  Please note: This listing is for MC Master Construction bricks only. They are NOT LEGO, but are compatible in size and function.  Perfect for: • Vintage toy collectors • LEGO history enthusiasts • Retro builds or display • Replacement bricks for vintage sets  Ships carefully packed.  ⸻  Item Specifics (if eBay prompts you) • Brand: Unbranded (or Master Construction if allowed) • Type: Building Bricks • Vintage: Yes • Age Level: 8+ • Material: Plastic • Year: 1960–1979 • Country/Region of Manufacture: Unknown