Image Item No. Description  3437  Duplo, Brick 2 x 2 Catalog: Parts: DUPLO, Brick  3437  Duplo, Brick 2 x 2 Catalog: Parts: DUPLO, Brick  3437  Duplo, Brick 2 x 2 Catalog: Parts: DUPLO, Brick  3437  Duplo, Brick 2 x 2 Catalog: Parts: DUPLO, Brick  3437  Duplo, Brick 2 x 2 Catalog: Parts: DUPLO, Brick  3437  Duplo, Brick 2 x 2 Catalog: Parts: DUPLO, Brick  3437  Duplo, Brick 2 x 2 Catalog: Parts: DUPLO, Brick  3437  Duplo, Brick 2 x 2 Catalog: Parts: DUPLO, Brick  3437  Duplo, Brick 2 x 2 Catalog: Parts: DUPLO, Brick  3437  Duplo, Brick 2 x 2 Catalog: Parts: DUPLO, Brick  3437  Duplo, Brick 2 x 2 Catalog: Parts: DUPLO, Brick  3437  Duplo, Brick 2 x 2 Catalog: Parts: DUPLO, Brick  3437  Duplo, Brick 2 x 2 Catalog: Parts: DUPLO, Brick  3437  Duplo, Brick 2 x 2 Catalog: Parts: DUPLO, Brick  3437  Duplo, Brick 2 x 2 Catalog: Parts: DUPLO, Brick  3437  Duplo, Brick 2 x 2 Catalog: Parts: DUPLO, Brick  3437  Duplo, Brick 2 x 2 Catalog: Parts: DUPLO, Brick  3437  Duplo, Brick 2 x 2 Catalog: Parts: DUPLO, Brick  3437  Duplo, Brick 2 x 2 Catalog: Parts: DUPLO, Brick