Product description:
Rest the plastic ball on top of the plexiglass square which is placed on a vertical post. Release the spring and square shoots. The ball falls into the concave recession on the post and stays at rest on the top of it, as if nothing had happened. Replaced 7-197. 7.5 x 5.5 x 6.5 , 0.9 lb.
Weight: 0.45 Kg