Marble Run 🟣 Wooden Slope & Colorful Sound ＝ Pythagora Switch

Hands down the best marble cake recipe ! I got the recipe from @c.h.o.p.i.t 250g margarine or butter 250g sugar (I used 200) 4 eggs 2tsp vanilla 2tsp baking powder. 250g wheat flour 2TBSP Cocoa powder If you have the self raising flour skip the baking powder. I used a hand mixer because I did not come to this life to suffer 🤣 Cream the sugar and butter , add the eggs , vanilla and whisk. Add the flour and the baking powder. Avoid over mixing. Take 1/4 of the mixture and mix the 2TBS cocoa powde