Zombie Shark Launcher

So I changed the dimensions a bit. Built a launcher tube glued it to a 2x2 Duplo block and BEHOLD. you can now launch zombie sharks at your enemies.

Here is the Zombie Shark. It's resize 60% X and Y axis.
https://www.thingiverse.com/thing:2291404

Here is the Airplane
https://www.thingiverse.com/thing:1936795