We lived above AES the electrical shop on lower Addiscombe Road, Croydon.
Me (Helen) You (Matthew) and William was bored so we decided to empty yours and william toys out of your square plastic toy boxes, sit inside the toy box on the edge of the top of the stairs and lean forward and slide/bounce down the stairs.
I can't remember who's idea it was? but I remember we got the inspiration from the film " Cool Runnings".
In remember mums face going a shade of red/purple a bit like beetroot when she was shouting at us for denting her new fridge freezer, she had to keep in the hallway because she couldn't fit it through the kitchen door.