Good day out here today. DS (4) loved it & free to get in (£5 car park fee). Lots of trains to see although younger children would have to be watched as loads of things to trip up / fall down etc ! Not that many buttons to push (DS ideas of heaven is lots of buttons!) but quite a lot of cabs to climb in & free train rides. Only downside was the cafe was expensive & there were lots of blokes with anoraks and sports bags taking photos of engines !