Spiral of Theodorus Kit is to explore triangular relations by studying right triangles and by building the Spiral of Theodorus. Contains 18 wooden triangles, labels, pen and instruction guide. Hands-on activities aid in the conceptualization of abstract mathematical ideas
Model, Calcite (1/2 unit cell) Crystal, is a carbonate mineral and the most stable polymorph of calcium carbonate (CaCO3), The other polymorphs are the minerals aragonite and vaterite, includes 66 1 inch balls, Dimen
Model, Buckminster Fullerene C60, is a spherical fullerene molecule with the formula C60, It has a cage-like fused-ring structure (Truncated icosahedron) which resembles a soccer ball, contains 60- 1 inch balls