Orders placed online and which are over $299 ex gst are delivered freight free anywhere in Australia. Offer is valid until 31 December 2024 and excludes: (i) orders involving chemicals and (ii) orders involving oversized items such as safety cabinets, ovens, incubators, trolleys etc. Such items are highlighted on our website.
★ A key concept when teaching light and sound ★ Students can vividly explore the inverse square law (a key concept of light and sound). Point the powerful beam from the very compact Projector (just 8cm long) at a target. Increase the distance between projector and target, and count and plot the decreasing number of dots. Cheap enough for class sets. Instructions included.
