found at Baby Bunting
Cubes and spheres mesmerize the eyes as they move smoothly down the sloping metal bars. Larger rings add a unique twist of fun as they spin, rattle, and wobble this way and that. Then, check out the beads along the two bars connecting the two sides - How fast do you think you can make them spin?Wonderfully compact and complete with suction cups for holding the whole thing in place atop any smooth, non-porous surface, the Whoopsy Doo Bead Coaster is a simple must-have for early tactile exploration.