Features:

1. Soft Sponge ball: The pen's tip has a soft, sponge material, making it fun to play with.
2. Firing mechanism: There's a button on the pen that allows you to fire the sponge ball, similar to a toy gun.
3. String attachment: The chicken ball is attached to a string, allowing you to playfully fling it reel it back in.
4. Stress relief: The sponge material and firing mechanism could provide a fun way for people to release tension and anxiety.
5. Durability: The sponge material prone to wear and tear, affecting the pen's longevity.