2 Cross Rails, 8 Straight Tracks, 4 Base Plates

Unknown 4.5V

The manufacturer has approved the data, but no images.

Manufacturer page

Source: Rebrickable. Data from Rebrickable (rebrickable.com)

Parts list (14 pieces, without spare parts)

How many times will you build it? Include spare parts

Description	Color	Count
Vehicle Track, Train, Tapered Rail Straight 16L 3228a	Blue	8
Plate 2 x 8 3034	White	4
Vehicle Track, Train, 4.5V Crossing 3231	Blue	2

Part images: LDraw library (ldraw.org), license CC BY 4.0. Part data: Rebrickable.