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for a doughnut
A Barnes & Noble Best Book of 2013
Mr Goon has tried investigating the house too
Two is best friends with One
Magic Magnifying Glass: Mind-Boggling Machines science for a doughnutUse your Magic Magnifying Glass to see inside a whole world of mind boggling machines in this cutting edge interactive little, ideal for budding scientists, engineers, or other curious young minds! See pistons pumping, gears grinding and turbines turning as you explore the inner workings of the machines that make the world go round. With the amazing x ray magnifying glass, you'll be able to peer beneath the surface of each machine and examine what
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