Buy One Get One Free - Smiley Face Bouncing Ball Pen (Yellow) Buy One Get One Free - Smiley Face Bouncing Ball Pen (Yellow) Quantity: Buy 1 get 1 Free Yes...bounching ball! Its a Pen too! Smiley Face Bouncing Softball (Sponge) Ball Pen. With Spring and Trigger to trigger off the softball! Red or Yellow Softball pen. Pen Size: 17.5cm + 4.5cm (Ball), Blue Ink. Great as gift and party bag filler!