British Science Museum - Hypotrochoid Art Set

Science Museum stationery products brought to you by NPW. Each product has a scientific or maths theme and all are based on exhibits and galleries at the world famous London Museum. Products include a fascinating info sheet featuring scientific principles and fun facts. Hypotrochoid is the mathematical term for a line traced by a fixed point in a circle (your pen) rolling around a bigger circle. These beautiful flowing curves have fascinated mathematicians for centuries. Different points within the circle produce wildly differing patterns. A classic and absorbing drawing set, easy and fun to use. 11 piece set in a tin with instructions.