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Andy travels back in time 127 million years, to the time of iguanodon - a plant-eating dinosaur that moved in herds. His mission is to find the herd and make a plaster copy of one of its footprints to replace the one he accidentally broke back at the museum. He watches with amazement how they stand on their hind legs to reach the leaves of tall trees before taking a stroll on a beach with a huge herd of them. But, will he succeed in time before the museum opens?
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