Steampunk bow. This is really cool and would look great in a steampunk Hawkeye cosplay thing.
NERF Rebelle Arrow Revolution Bow - NERF / Hasbro
Paper plate "shooting range" on stakes in the ground; party shirts
Also, keep Nerf guns nearby. He likes to engage in office wars.
Minecraft Party | minecraft game - foam from dollar store, shoot with bows and arrows
Time's Arrow, Clockwork Miniature Crossbow, WORKING steam punk dart gun.It has a clock face that charts the tension on the device's string, and is detailed with external gearing.
Avengers Party Ideas: Awesome Games and Easy Food - 365ish Days of Pinterest
... Only sometimes.
This Storm Trooper Target Print would be great for nerf practice
Love this Nerf Rebelle Arrow Revolution Bow by Aero Trading on #zulily! #zulilyfinds