We all know that on Sesame Street, a sunny day can sweep the clouds away—so imagine how a bright glow will cheer up bathtime for even the most tub-averse little ones. Featuring the faces of some of their favorite Sesame Street friends, these water-activated cubes light up the tub with luminous shades of pink, yellow, blue, and red and turn bathtime into the best—and brightest—part of the day.