Mezzanine constructed in the apartment in the Wilanów district of Warsaw. Total area of mezzanine 5 sq. mtrs. Crafted above the room of small boy Kacper. Mezzanine constructed in line with client’s project inspired by LEGO. Materials used: pine. Mezzanine function: sleeping area and storage. Mezzanine gives the opportunity to enlarge the living space for a family with a child.