WOODENSTEIN

For basic wood cutting (and thin metal too), an inexpensive jigsaw like below might be a good starter power tool. Bottom is the inexpensive miter box combo. The saw could also be used to make long cuts in in the thin plywood.

lowes.com/lowes/lkn?action=p … lpage=none
lowes.com/lowes/lkn?action=p … lpage=none