Super-7 and the sorceress quest

Zoe Baker is a chair traveler from another planet who came to earth and adopted seven children and looked after them for seven years until they were teenagers. The kids have no idea she has a plan for them, a plan that involved taking them to Silk Empire, where she came from to fight a wicked sorceress and her army of goblins. When the time came, the kids didn't have a choice but to go with Zoe because what started as a game became their reality in a blink of an eye. The kids found themselves in a different universe, teleported by a rocking chair. Silk Empire is a planet with no color, it had been drained by the sorceress as part of her revenge and it was their mission to bring it back.
Super-seven, that's what the people of Silk Empire called them; found out they have powers, to help them fight the sorceress and they quickly had to adopt, adjust and familiarize themselves with their new environment and ready themselves for war. And then, they were kidnapped by the sorceress, locked up in a dungeon infested with goblins and spiders. Luckily their powers introduced themselves to them and right away went after the sorceress to take the color back from her, which she keeps in a round crystal ball.
However, Wendy the sorceress proved to be strong, cunning and her army of goblins were not easily taken care off, but super-seven were determined to get the color back to Silk Empire and go back to Earth where they belong.