Crystal Model Set Diamond-Economy Weight_250g and 15 mm — providing

and 15 mm — providing a lightweight

with instruction manual for construction

this metal helix lets stairwell-scale wave-propagation experiments amplify the visibility of standing waves

Pairs 100mm of length with 25mm faces on a polished acrylic equilateral prism

Crystal Model Set Diamond-Economy Weight_250g and 15 mm — providingModel kits for assembling various crystals lattices, which are in skeletal form. The lattices represent certain classic structures and have been built to a large enough size so that their different faces can be seen. Complete with assembly instruction This set consists of 84 connectors and 57 jacks in a plastic box, with instruction manual for construction. Note: This product does not have an image. If you require one before making a purchase