US$ 139.00
offering a 250g capacity at 5mg sensitivity for Archimedes-principle work
LED circuits
an object marker
lightweight and shatter-resistant for image-formation and ray-tracing experiments
Stackable D-Size Battery Cell Holder, Alternate Model Material_Borosilicate Glass offering a 250g capacity atStackable D cell holder in durable plastic with metal contact plates, linking to additional holders in series or parallel to extend bench circuit voltage or capacity without soldering.