To simplify the building of a ball drop play tool which achieves the diversified dropping way of a ball with excellent playing potentialities.

A plurality of erected bodies 2a, 2b, 2c, 2d, 2e and 2f each having an erected wall 1 as viewed almost in a V shape on a plane are kept in contact with each other on the outer surfaces of the individual erected walls to form a tower. Each erected body has a ball inlet 3 at its upper part and a ball outlet 4 at its lower part while being provided inside with ball drop paths 5a and 5b where the ball drop down rolling.