If you are handy, you can probably fabricate one out of PVC pipe for a fraction of the cost. There are so many plans available on YouTube.

will it work on a lawn boy though? it say Toro? I saw it looks really cool, my front lawn is small but I love the way the lines look.

I think it's universal, it attaches to most mowers.

A lot of people will even triple mow their laws to get a good stripe. You can start mowing in just one pattern forcing the grass to grow that way.

#doublefat

doublefat?????????????

https://m.youtube.com/watch?v=hcMD72YAv-I

http://www.bigleaguelawns.com/PLST.html

There's a million kits out there, but you still have to learn the technique & how to make clean turns/edges. It's not too hard though