We know we’re not the only ones with childhood dreams of hidden passageways, slides, and ladders. So your children want to have such places, too. Didn’t you think that a playing area can be limited not only by the space of  a kid’s room? I think you will agree with me that the space, where the children stay, play and move, should increase with their growth. That’s why a playing place can be organized outside a kid’s room. Here are 16 radical indoor spaces that fulfill those dreams and help to burn off the excess energy. To have climbing or sliding spaces for children at home is really cool and funny!