Construct a fully working model of a petrol car engine with ignition sound and illuminating spark plugs.

The model is fun to put together and the kit contains all you'll need and over 100 parts to assemble the working model.

The Haynes Internal Combustion Engine kit comes complete with its very own Haynes Manual, giving clear step-by-step instructions.

All you need to provide is time, two batteries and a little vegetable oil.

The on/off controller also includes a sound chip which reproduces the noise of an engine starting as the model begins to work.

Haynes Combustion Engine features:

• Over 100 parts, Electric Motor, Illuminating Spark Plugs
• Requires two AA batteries
• Age range 10+
• Construct a fully working model
• Discover how an engine works
• Includes everything you need to build your own engine, step by step instructions and diagrams