Your search for "styrene" revealed the following:

Square bar 0.75 x 2.0 x 350 mm: Evergreen plastic material, non-scale 134

Wainscoting 1.6 x 1.6 x 152 x 609 mm, 1 piece : Northeastern wood, non-scale 6506

Platanus : Wako Material 1:35 A-23T

Copic Chao BV31 Pale Lavender Pale Lavender : Two Markers

Round bar, diameter 2.0 x length 350 mm: Evergreen plastic material, Non-scale 212

Matte type (wilderness), height 6mm, with autumn powder : Martin Uhlberg Non-scale WB-M030

Flat, square and rectangular wood 4.0 x 9.5 x 600 mm 5 pcs : Northeastern Wood Non-scale 70251

Miniatures in Clay: Harvestable Small Vegetable Garden 3 - Carrots: 1:6 scale kit by Vogue Japan

Cosmos : Wako Material 1:12 G-4

Copic Chao G99 Olive: Two Markers

Flat, square and rectangular wood 6.4 x 19.0 x 600 mm 5 pcs : Northeastern Wood Non-scale 70290

Ferns : Wako material - Non-scale A-9

Stone material R-stone ballast 1:87 (0.9 - 1.2 mm) Semi-trunk line dark grey: Moline material HO(1:87) 458

Stone material R-stone river stone, round, small, dark grey : Morin material, non-scale 524

Powdery material Kraft Sand (0.3 - 0.6mm) Ivory : Molin material Non-scale AF-25

Stone material R Stone river stone round small dark grey : Morin material non-scale 523

Peeled type (grass) Autumn, height 2mm : Martin Uhlberg Non-scale WB-P225

Wainscoting 3.2 x 1.6 x 88 x 609 mm, 2 pieces: Northeastern wood, non-scale 70368

Round bar 1.0 mm diameter x 350 mm length : Evergreen plastic material, Non-scale 211

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