Gravel stones offering a good likeness to coal. 

Even sized stones which are free of dust. Ideal as a load in railway wagons or road trucks. 

By mixing the coal with other stones & pebbles a prototypical gravel mixture can be achieved.

Content : 230g

Approx 90cm3

Gravel stones offering a good likeness to coal.  Even sized stones which are free of dust. Ideal as a load in railway wagons or road trucks.  By mixing the coal with other stones & pebbles a prototypical gravel mixture can be achieved. Content : 230g Approx 90cm3