Defend Your Home From The Undead

My son is turning 4 and he loves Pop Caps popular game Plants vs Zombies. I have it installed on my Mac for him (for him, like I don’t play it after he’s gone to sleep at night) and he watch peoples home videos on YouTube (some are hilarious). His birthday is October 30 and I have started planning for it and so far I have purchased these. Will see what else I can find.