It seems such an ordinary cooking timer when Mum puts it on the fridge, and tells Tom not to play with it - but pressing the buttons and twisting the knobs takes our hero back in time and dumps him straight into a dinosaur's nest!
The creature is not happy about her cracked eggs, and he finds himself being chased by a mob of monstrous prehistoric beasts! By fiddling with the controls, he succeeds in returning home, only he is not alone - one of the babies has come with him!