A technical story book - Grandpa tries to answer a tricky question. Where does the little steam train get its energy from? A simple lump of coal from the time of dinosaurs!!! This wonderful story of energy conversion is just perfect for those with inquisitive minds. It even covers photosynthesis. Age 6-12.
Ik heb een vraag over het boek: ‘Peter's Railway a Bit of Energy - Vine, Christopher G. C.’.
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