Finely crumble the cake with your hands. Cream butter, cream cheese and icing sugar with the whisk of the hand mixer. Add the cake crumbs and first mix well with a mixing spoon then with your hands
Form approx. 25 table tennis balls (each weighing approx. 25 g) from the mass and place them on a plate. Put the balls in the freezer for about 15 minutes
Coarsely chop the dark chocolate coating and melt it over a warm water bath. Dip one end of the lollipop stick into the liquid couverture and stick it into the frozen balls. Dip 2 chocolate plates with one edge into the chocolate coating and stick them into the balls as ears. Stick one chocolate plate with couverture as a snout. Put the teddy balls in the freezer for another 20-30 minutes
Coarsely chop the whole milk couverture and melt together with the coconut oil over a warm water bath. Pour some couverture into a tall narrow glass (e.g. jam jar). Dip the heads of the bears upside down into the chocolate coating, let it drip off a little and stick it into foam, moss or a styrofoam block. Refill the jar again and again if there is not enough left to dip into the jar
Cut the disposable piping bag smaller. If necessary, slightly heat the remaining dark chocolate coating again, put it in the piping bag and cut off a small tip. Paint the eyes, nose and mouth on the bear's heads and allow to dry
Waiting time approx. 30 minutes