The mysterious powers of mathematics & science & its application to art were a favorite study of the quintessential Renaissance man, Leonardo Da Vinci (1452-1519). His delicately shaded illustrations of polyhedrons appears in Luca Pacioli`s 1509 book De divina proportione. These shapes were thought to be related to the elements: the cube to Earth, tetrahedron to fire, octahedron to air, icosahedron to water, & dodecahedron to heavenly ether. The h&-crafted joints of solid wood are finished with distressed French honey tones. If we do not have this item in stock we will order it for you from our supplier. Delivery generally takes 3 weeks within the UK. For overseas delivery queries please email sales@stanfords.co.uk