Qixels 3D Refill - Alien StrikersQixels 3D Cubes Gives You The Power To Shape And Create Qixels In 3D! Build Them Up And Build Them Out And Start Building A 3D Qixel World! Build Up Your Design And Brush With Water And They Magically Stick Together. When They Dry, They Stay And Youre Ready To Play! Check Out The Alien Strikers Refill Pack! Build A World Of Creepy Alien Creatures That Will Make Your Skin Crawl. It'S A 3D Adventure That'S Out Of This World! *3D Maker Is Sold Separately