With the help of a time travelling clock and his friend Hatty, Andy goes on a journey to explore the world of dinosaurs. He returns from his prehistoric adventures with all the things he needs.

Andy travels 15 thousand years into the past to meet a giant prehistoric sloth. On the way, he is stalked by a Sabre-toothed cat and rides a colossal Columbian mammoth.

Andy travels back 145 million years to the time of allosaurus, one of the planet's deadliest hunters of all time. His mission is to catch a dragonfly that baby allosaurus used to hunt and eat.

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