Duplo Trailer with Frame with Small Reinforcement

Duplo Fence 1 x 5 x 1 1/2, Interlocking Duplo Brick 2 x 2 Duplo Chair 2 x 2 x 2 with One Stud Duplo Door / Window Narrow, 1 x 3 x 2 1/2 with Four Panes Duplo Animal Chicken / Hen, Tail, Smooth Red Comb, on Green Base Duplo Brick 2 x 4 Duplo Plate 2 x 4 x 1/3 Half Circle with 2 Studs [Thin] Duplo Animal Cow, Solid Black Eyes (Old Style) Duplo Animal Pig, Short, Solid Black Eyes (Old Style) Duplo Animal Sheep, with Solid Black Eyes (Old Style) Duplo Shovel (Old Style) Duplo Roof-Piece Slope 60°, 8 x 4 x 4, with Red Base, and Shingles with Opening