Image Item No. Description By  16686  Duplo, Plate 2 x 4 with Hinge Catalog: Parts: DUPLO, Plate 1  40666  Duplo, Plate 2 x 4 x 1/2 (Thick) Catalog: Parts: DUPLO, Plate 1  4196  Duplo, Plate 6 x 12 Catalog: Parts: DUPLO, Plate 1  6490  Duplo, Plate 8 x 16 Catalog: Parts: DUPLO, Plate 1