Your search for "n gauge fine manual" revealed the following:

Kusabi Tension Scaffolding Note: Equivalent to Kobaru: Sakatsuo Unpainted Kit N (1:150) 3836

Dead tree B3 black with twigs, approx. 9 cm, 1 piece : Kigusa BUNKO Finished Non-scale KB3

7 Beef Cattle (Hereford breed) : Woodland - Finished product set N (1:160) 2144

Hexagon Socket Head Fittings Double 1.5mm dia. with Taper : Sakatsu Detail Up Non-scale 4460

Handrail knobs, height 1.2mm, for 0.4mm lines, 6 pieces : Sakatsuo Detailing, non-scale 5002

Min. recessed pins 0.5mm without hole, black plated: Sakatsuu, detail up, Non-scale 4443

Very small recessed pins 0.5mm without holes : Sakatsu Detailing Non-scale 4445

Snow-covered fir trees, 30-60mm, pack of 20: complete bushes 6566

Hexagonal pipe joint, double flat 1.8mm : Sakatsu Detail Up Non-scale 4450

Yukata : Icom Finished product figure - Non-scale MLL-2029

Snowman and snowball fight children : Woodland Finished product N(1:160) 2183

Hexagon joint, flat diameter 0.6mm (for 0.25mm wire) : Sakatsuu Detail Up Non-scale 4470

Angle (L-shape) 1.6 x 1.6 x 558 mm, 5 pieces : Northeastern Wood, non-scale 70501

Wainscoting 1.2 x 0.8 x 88 x 609 mm, 2 pieces: Northeastern wood, non-scale 70353

People Enjoying Barbecue Party : Preiser - Finished product N (1:160) 79073

Transparent tube, outer diameter 1.5mm : Sakatsu material, Non-scale 4522

Air funnels 2.6-5.6 4 pcs: Sakatsuo detail up 1:24 3211

T-wood 0.8 x 0.8 x 558 mm, pack of 5 : Northeastern Wood, non-scale 70525

H-shaped timber 2.4 x 2.4 x 558 mm, pack of 5 : Northeastern Timber, non-scale 70552

Channel (U-shape) 1.0 x 2.0 x 558 mm, pack of 5 : Northeastern wood, non-scale 70541