@BoingBoing @Ri_Science So, packing the teacher's blackboard eraser with this would be a bad thing to do, even in the 1970s? OK - sorry!
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@BoingBoing@Ri_Science such a pity that it is now difficult to get the chemicals to do this at homeThanks. Twitter will use this to make your timeline better. UndoUndo
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@BoingBoing touch powder is s lot of fun. Safe to touch when wet, but when it dries....Thanks. Twitter will use this to make your timeline better. UndoUndo
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