Ideas For Nerf Party Inexpensive Nerf Guns??????

Inexpensive nerf guns?????? - ideas for nerf party

ok so for my bday party I think it will be fun wooden firefight against HAV Nerf. I need like 10, but I saw at Wal-Mart, Target and Toys R Us Toys R Us was like 10 for $ 150. i need somthing .. less expensive ideas? I thought we u Lazer day .. as uy the goal, but thts more expensive, but the ideas about the THT?