Produced in association with the Science Museum in London, this fun children's book compares the biggest types of transport in the world with the smallest. See some astounding and record-breaking vehicles and discover the science and technology behind . * balloons as tall as houses * bicycles shorter than a ruler * huge submarines that rule the ocean * tiny planes named after insects. Includes information about the inventors, drivers and keepers of these famous vehicles with ' Tech spec ' panels which highlight key facts and figures to enable easy comparison. Full of fascinating facts for anyone interested in different kinds of weird and wonderful transport !.