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.
How does an internal combustion engine work? This well constructed model shows the sequence of compression, firing and exhaust in a cutaway working model. A light shows the spark and arrows indicate the direction of vapour/exhaust flow.
Guaranteed to interest and explain this mode of energy use. Requires 2x AA batteries. Size: 300 x 170 x 100mm
