If you have a stairs at home, then your children will be happy when find this amazing foldable stairway slide. These foldable mats by Trisha Cleveland will convert your boring, old staircase into an indoor playground slide for your kids. Unfortunately, right now it is not available, it just is a concept. But we have found another funny idea – a cardboard slide that you can easily do by yourself. All you need is a large box, then flatten out the box and placed it over the stairs.