Write an article based on this "Take one of the plates and pour a generous amount of rainbow sprinkles on it (about a palm full). Use can of whipped cream to rim the martini glass. Flip whipped cream rimmed glass over and gently press in the rainbow sprinkles on the plate."
If rimming the glass is difficult, take the spare plate and make a circle of whipped cream about the size of the martini glass and dip the rim of the glass in it.    {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/6\/63\/Make-a-Birthday-Cake-Mix-Martini-Step-2Bullet1.jpg\/v4-459px-Make-a-Birthday-Cake-Mix-Martini-Step-2Bullet1.jpg","bigUrl":"\/images\/thumb\/6\/63\/Make-a-Birthday-Cake-Mix-Martini-Step-2Bullet1.jpg\/aid2363745-v4-728px-Make-a-Birthday-Cake-Mix-Martini-Step-2Bullet1.jpg","smallWidth":460,"smallHeight":306,"bigWidth":"728","bigHeight":"485","licensing":"<div class=\"mw-parser-output\"><p>License: <a rel=\"nofollow\" class=\"external text\" href=\"https:\/\/creativecommons.org\/licenses\/by-nc-sa\/3.0\/\">Creative Commons<\/a><br>\n<\/p><p><br \/>\n<\/p><\/div>"} If desired, put about a palm full of the dry white cake mix onto a separate small plate to use as a garnish as well.