Your search for "YSK" revealed the following:

Penguin Material B (Movement) : YSK Unpainted Kit 1:100 Scale Part No. 402

Wooden pallet (large) brown : YSK Unpainted kit N (1:150) Part No.462

Old Tyres : YSK Unpainted Kit N (1:150) Part No. 287

Penguin Material F (small size 1) : YSK Unpainted kit HO (1:87) Part No. 406

Rooftop Entrance: YSK Unpainted Kit N (1:150) Part No. 274

Bedroom B (brown): YSK Unpainted Kit N (1:150) Part No. 396

Showa Station Set : YSK Unpainted Kit N (1:150) Part No. 379

Wooden pallet (small) light brown : YSK Unpainted kit N(1:150) Part No.463

Water Flow Parts - Waterfall - Straight Waterfall D : YSK Unpainted Kit - Non Scale Part No. 380

Penguin Material A (Standing) : YSK Unpainted Kit 1:100 Scale Part No. 401

Water Current Parts - Wake Wave B White : YSK Unpainted Kit - Non Scale Part No. 373

Dome house (round) : YSK Unpainted kit N(1:150) Part No.416

Freescale Memorable Scene series Game Style "Simple Cemetery" 4 pieces : YSK Unpainted kit Non-scale Part No.438

Dust Cover A: YSK Unpainted Kit N (1:150) Part No. 288

Loading cardboard (large) : YSK Unpainted kit N (1:150) Part No. 470

Drum can (brown) 5 pieces : YSK Unpainted kit HO(1:80) Part No.458

Partition : YSK Unpainted Kit N (1:150) Part No. 341

Cardboard box (loose) : YSK Unpainted kit N (1:150) Part No. 471

Freescale Memorable scenes series RPG style "Barrel" 6 pieces : YSK Unpainted kit Non-scale Part No.430

Water Flow Parts - Waterfall - Straight Waterfall C : YSK Unpainted Kit - Non Scale Part 370