Waste-carrier trolley with a base in the form of a tray, more particularly for gardening

Waste-carrier trolley, more particularly for gardening, comprising a pair of sides in a plastic material provided with a through hole for the insertion and separable snap-locking of a shaft for supporting a pair of wheels and upper housings for the insertion and separable snap-locking of respective ends of a tubular metal element bent into a U shape, which forms a handle for manoeuvring the trolley and whereto a ring for the attachment of a collection bag is coupled mechanically at a variable height, characterised in that it also comprises a tray in a plastic material designed to act as a base for supporting the trolley on the ground and as an element for supporting the base of the bag, said tray being provided with projections which can be inserted and separably snap-locked in lower housings of the sides of the trolley and means for its separable snap-hooking to the shaft for supporting the wheels.