UK Edition. Relax and colour with these 25 Mandalas For Stress-Relief. The mandalas have thick lines and vary in detail. Colouring helps to maintain balance, reduce stress and stimulate your creativity. Features: 25 Mandala colouring pages. One-sided designs to prevent bleed-through. Colour Test - to test your colours. Suggestions: Place a sheet of paper between the pages before colouring. Colour and frame your favourite Mandalas. Happy Colouring.