Simply wet the magic eraser and gently scrub the area. If you're using a balloon, consider painting it with cooking oil beforehand -- that way, when it's dry, you can slide it out easily. Apply a thin coat of outdoor varnish or water-based sealant to the finished paper mache figure. Doris Rockwell Gottilly Dollmaking With Papier Mache and Paper Clay : Complete instructions and patterns for making more than 20 figures Paperback - January 1, 1998 by Doris Rockwell Gottilly (Author) 53 ratings See all formats and editions Paperback $43.93 12 Used from $10.00 5 New from $22.36 You can contact us via email [emailprotected] or by calling 0207 112 7576. Whether or not you remove the filler, the next step will be to remove any dry debris. To create the clay, first, put your roll of toilet paper in a bowl, and pour enough water over it to saturate the paper, this will make it easy to remove the roll from the center. This method works best on hard plastics. It works very much like clay and dries very hard. After wiping down the toy, blot it with a dry towel and set to air dry the rest of the way. Dry air will create a brittle surface, whilst moisture will lead to foxing and mould. Do not apply the vacuum hose directly onto the object. white vinegar. Put it a bowl and add the glue and dry wall compound.