Four of the enormously popular Thomas board books are brought together in one set: 'Go, Train, Go!'; 'Stop, Train, Stop!'; 'A Crack in the Track!'; and 'Blue Train, Green Train.' Boxed in a nifty little 'lunchbox,' these four books are a feast for Thomas the Tank Engine's smallest fans. The box features a sturdy handle and a Velcro close and is perfect for Thomas lovers on the go. Recommended for ages 4 and under.