Cake details: Size: I used a 1/2 sheet cake pan to bake the cake and then trimmed the number with a stencil. Flavor: Sprinkle Birthday Cake Frosting: TBWB American Buttercream Colors: chefmaster Royal Blue & Sky Blue. Piping Tips: wiltoncakes #1M, 21 and 4B. Toppers: Macarons made by me #theblondewhobakes #theblondewhobakescakes #cake #cakedecorating #4 #boy #boybirthday #birthdaycake #birthdayparty #dessert #blue #baking #food #foodie #cakeoftheday #instafood #instagood #cakesofinstagram #cakestagram #cakesofig