Your search for "wooden pallet" revealed the following:

Building materials, cables, pallets, etc.: Prizer kit HO (1:87) 17111

H-shaped timber 4.8 x 4.8 x 558 mm, pack of 5 : Northeastern Wood, non-scale 70555

Flat, square and rectangular timber 1.2 x 1.2 x 600 mm 10 pcs : Northeastern Timber Non-scale 70161

Flat, square and rectangular timber 1.6 x 4.8 x 600 mm 10 pcs : Northeastern Timber Non-scale 70185

"Model" Strip parquet. Beech. Preiser Interior Kit : Preiser Pre-Colored Kit HO(1:87) 19582

Flat, square and rectangular 12.7 x 76.2 x 600 mm (2 pieces) : Northeastern Wood Non-scale 70327

H-shaped timber 3.2 x 3.2 x 558 mm, pack of 5 : Northeastern Timber, non-scale 70553

Z-shaped timber 1.2 x 1.2 x 558 mm, pack of 5 : Northeastern Wood, non-scale 70520

Lifters and pallets: Preiser, complete painted HO (1:87) 17712

"Model" Parquet flooring. Beech : Preiser Pre-Colored Kit HO(1:87) 19577

Ribbed paneling 19.0 x 1.6 x 88 x 609 mm (2 sheets): Northeastern wood, non-scale 70409

Flat, square and rectangular wood 4.0 x 6.4 x 600 mm 5 pcs : Northeastern Wood Non-scale 70249

Flat, square and rectangular timber 1.2 x 50.8 x 600 mm 5 pcs : Northeastern Timber Non-scale 70176

Fibre-based material Medium glass (3) Brown: Molin material Non-scale MG-13

Square/flat lumber 0.3 x 2.4 x 279 mm, pack of 12 : Northeastern Wood Non-scale 3005

Wood chopper : Preiser - Painted 1:22.5 45090

Wooden Box 3 items : Cobani unpainted kit 1:12 WF-001

Fibre-based material Medium glass (5) Green: Molin material Non-scale MG-15

Paneling with ribs 1.6 x 1.6 x 152 x 609 mm, 1 piece : Northeastern Wood, non-scale 450

Z-shaped timber 1.6 x 1.6 x 558 mm, pack of 5 : Northeastern Wood, non-scale 70521