Remove water marks by applied toothpaste to the water mark with a damp cloth.
Children's stickers can be removed from wood by ' painting' the sticker with white vinegar, letting it soak in and then scraping off.
Remove greasy marks from wood veneers by sprinkling the surface with talcum powder. Cover with a couple of sheets of tissue paper and using the tip of a warm iron, gently press onto the surface to draw out the grease.