The present invention relates to an electronic device (1) which comprises a modular housing (2) comprising a plurality of stacked housing parts (4, 6) that are mechanically interconnected by connection means (8, 10), and which comprises electronic parts (16, 26) having contact portions (30, 32) for providing electrical contact between the parts, a housing part adapted to accommodate an electronic part and having contact members for providing electrical contact between the parts, which contact members comprise conductive tracks (12) provided on a first surface (14), wherein the contact members comprise conductive tracks (18) provided on a second surface (20), the tracks on the second surface of a housing part are electrically connected to the tracks on the first surface of said housing part, and the second surface faces towards the first surface of a next housing part when connected to the housing. The invention further relates to a housing part for assembling a modular housing accommodating electronic parts and to a method of manufacturing such a housing part.