Making Things Work: Switches & Circuits

Get your brain into gear and switch on to science! These technical titles will get you buzzing as you find out what makes a bell ring, a circuit connect and a motor move. We've levered in loads of facts and figures to pull you into a whole world of amazing design technology: it's all around you, from your doorbell to your dishwasher! All these mechanical marvels and more are revealed in Making Things Work!