Your search for "wooden pallet" revealed the following:

Flat, square and rectangular wood 6.4 x 12.7 x 600 mm 5 pcs : Northeastern Wood Non-scale 70289

Round bar 1.6 x 609 mm, 1 piece : Northeastern Wood, non-scale 486

Wood Box Shelf: Wako Kit 1:12 G-41

Square/flat lumber 0.3 x 1.2 x 279 mm 14 pcs : Northeastern Wood Non-scale 3003

Flat, square and rectangular timber 1.2 x 25.4 x 600 mm, 5 pieces : Northeastern Wood, non-scale 70175

Flat, square and rectangular wood 3.2 x 7.9 x 600 mm 10 pcs : Northeastern Wood Non-scale 70236

Ribbed paneling 6.4 x 1.6 x 152 x 609 mm, 1 piece : Northeastern Wood, non-scale 449

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

Flat, square and rectangular timber 1.2 x 4.8 x 600 mm 10 pcs : Northeastern Timber Non-scale 70167

Flat, square and rectangular lumber 1.6 x 2.0 x 600 mm 10 pcs : Northeastern Wood Non-scale 70181

Square/flat lumber 2.4 x 2.4 x 279 mm, 10 pieces : Northeastern Wood, non-scale 3050

Flat, square and rectangular timber 1.6 x 50.8 x 600 mm, pack of 5 : Northeastern Wood, non-scale 70194

Square/flat lumber 3.0 x 3.7 x 279 mm, 8 pieces : Northeastern Wood, non-scale 3061

Flat, square and rectangular timber 9.5 x 50.8 x 600 mm (2 pieces) : Northeastern Timber Non-scale 70311

Flat, square and rectangular timber 4.0 x 19.0 x 600 mm 5 pcs : Northeastern Timber Non-scale 70254

Square/flat lumber 1.8 x 3.0 x 279 mm 10 pcs : Northeastern Wood Non-scale 3042

Flat, square and rectangular timber 1.2 x 6.4 x 600 mm 10 pcs : Northeastern Timber Non-scale 70169

Flat, square and rectangular wood 2.0 x 3.2 x 600 mm 10 pcs : Northeastern Wood Non-scale 70200

Hobby palette, large, 60mm diameter (6 pieces included) : Icom tools PHK11

Square/flat lumber 0.3 x 3.0 x 279 mm, 12 pieces : Northeastern Wood, non-scale 3006