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
Torque demonstration kit helps user to experience significantly increasing torque by moving a mass set down a rod while trying to balance the main rod. Includes: Storage Box, 1000g mass set, custom washer, 2 dowels, 2 bolts, 2 nuts, steel ball and instructions
Standing Arch Kit, composed of seven wooden (pine) blocks with tight tolerances that when properly assembled produce the shape of the catenary arch. Includes a hook for the attachment of hanger and masses to demonstrate a live load. Size: 16.5 in. Tall, 13 in. Wide