This is a fantastic lot of Batman / DC Comics / Marvel?. Imaginext toys. There is Penguin's headquarters building, Bat tech tank, a bat bike, two large robots (superman and iron man I think!). The Penguin's headquarters building has a disk launcher and there are two disks that goes in this here, the penguin submarine and cyborg vehicle also launch disks and there are three red ones to share between these as they fit both.
eBay