|Happiness Toys Stage|
|DCD Game||2016 Series - Part 2|
|List of Stages||Image gallery|
Happiness Toys Stage (ハピネストイズステージ) is a Cute-typed CM stage that features the song Happiness Equation.
A pale pink and tan floor with walls of pink gradient striping and various crescent, star, and heart shapes all over them. Around the bottom of the wall is a thick dull purple ring circling it. The room has large windows with gold frames, along with multiple flag banners either adorned with white hearts or stripes, as well as a rainbow-colored one in the middle with HAPPY BIRTHDAY written on it. Streamers of sky blue, pale yellow, and fuchsia hang from the ceiling, along with several giant balloons shaped like the various idol symbols. Various groups of colorful balloons are attached to pink bows and float in the air. The floor has multiple tables of pale brown with matching colored chairs, white tableclothes, and mats of pink checkered patterns. On the tables are flower vases and various party ornaments.