I came across this technique over at Art for Small Hands where there is a detailed tutorial for undertaking this as a classroom activity.  It’s a traditional technique, which, like marbling, was often used in the 18th and 19th centuries for decorating the endpapers of books.  As an activity it’s cheap, easy and a lot of fun, but (be warned) it is potentially very messy!  It’s also something that is suitable for all ages, with even the youngest of children able to get ‘hands on’. The paste is prepared in advance using rice and wheat flours, water and small drops of glycerine and washing-up liquid.  The mixture is cooked and…