Available in Blue, Green & Orange Relieve Stress, Help Restore the Mood, Home Essentials, Parent-child Games, Autism, Games That the Elderly, Childrens, & Adults Can Play. Just Press the Bubbles Down & They Make a Slight Popping Sound; Then Flip It Over & Start Again!endlessly Reusable & Washable, Too. Layers Take Turns Pressing Down Any Number of Pop Pop Bubble They Wish in a Single Row. the Player Who Presses Down the Last Pop Pop Bubble Loses. the Latest Decompression Artifact.