Innovative 3D-Puzzles Clever Paper WAR GAMES USA TANK SHERMAN M4A2 Cardboard Set UMBUM Number of parts: 37 Assembling time: apx 1 hours.Assembly difficulty: 4 of 5 The assembling is easy, clean and safe: you need no glue, no knife or scissors to set this house on the table. Dimensions of the TANK assembled: 16*8*8 cm / 6.3"*3.1"*3.1" All constructor sets by Clever Paper are produced of high quality cardboard.