Planter Box

My mom has a Green thumb so today my brother built this Planter box out of some old wood that was being thrown away.
She planted some tomato plants not sure what else she is gonna plant but she's happy about that planter box she has been wanting to plant a garden but we can't dig in the yard cause of the automatic sprinklers who knows where all the lines are and so another reason he built it is because we have Gophers in our yard we could have just one but not too sure on that either we've also seen it in the front yard. I wonder how much we really have probably a whole gopher village under our house and yard we do have holes everywhere!!