The coloring page is bursting with happy energy! Before you grab your color pencils, take a moment to admire the details. The big sister professor with long black hair tied up in a bun and glasses on is dressed in a white lab coat. White and light purple confetti creates a celebratory atmosphere around the professor.To bring out the professor's mischievousness, you can use bright yellows on her glasses, dark greens to hint at a scientific lab, and blues and purples to playfully shade the professor's labcoat. To emphasize the joy of the occasion, you can use reds and pinks to add vibrancy to the confetti. Finishing off with dashes of white and pink to blend in all the details, you have now successfully colored this amusing coloring page!