← Buildingtoys Home Idema No. 520 Category: Bricks that Interlock Manufacturer: Idema, W. Germany Material: Polystyrene Year: 1960s Note: It is not clear how long these first Bakelite blocks were produced before they were replaced by the Idema blocks made of polystyrene. "Senf und Ketchup" – die IDEMA Bakelit Steine Idema Fantasia Set No. 444 Category: Bricks that Interlock Manufacturer: Idema, Mexico Material: Polystyrene Year: 1970s Note: Idema blocks produced in Mexico ← Ee ~ Hh Mm ~ Pp →
