I feel my thumbs tingling. A $1 expendable 3D plane to run into your backwayd, toss, and practice with! N E A T!
I've already got guys wanting me to build one for them when I get mine together.
I'll make a run to Lowe's next week. Here in Tacoma, we have a Home Depot and a Lowes side-by-side so you can run between them and price things