From the famous Fisher Price brand, this is a very pretty and small circular locomotive circuit (8 elements) that will delight children. The locomotive: the chubby head of Thomas the Tank of the famous cartoon that delights our little ones. Hard plastic it gives a good impression of solidity. It must be two AAA batteries that animates Thomas. The rails are clipped and well, it is not easy for a child to disassemble the whole .... This ensures operation without annoying accidental derailment. Of course, later, free to you to complete with bridges, rail lengths, additional cars and other items to expand this basic circuit. Small price for this lovely electric train, excellent starting point for the creation of a railway world for the smallest who with their imagination will create a lot of stories.