What new elements did the release of the Friends sets add to the LEGO element parts palette?
I underestimated just how many new parts were produced for the Friends line when I tasked myself with finding out. Excluding the stickers and Mini-Dolls there are a huge number of new piece, the majority of which are either utensils, accessories or pets.
The microphone and custard pie parts have been included only once before in the Collectible Minifigure series. They feature for the first time in a set in the Friends line.
New printed parts
I hope this answers your question!