Rattling and chattering, the cheerful colored balls whoosh down the textured ramp. They pass by the first bell - ding ding! As they turn the curve, they gather more and more speed, and head for the final bell..ding! Includes 1 rattling ramp, 1 smooth ramp, 3 curves, 1 effect ball, 1 regular ball, 1 block with dangling bell, one lower bell and 5 colored connecting blocks. Compatible with all My First Ball Track Sets as well as all HABA Marble Run sets! Collect them all!