With the Thomas and Friends Mega Bloks Thomas Visits the Castle , you and your child can decide which routes the trains will take, and dock them. Set the tracks with the turntable and make sure the trains all run on schedule. Your little one can be the driver or conductor in this train as it goes round Sodor Island taking and dropping passengers as well as packages. You can also build Callan"s castle with these building blocks. This train play set has a total of 67 pieces of plastic building blocks. This train building block set comes with two engines, Thomas and Percy. Designed to encourage imaginative play, this kid"s building block set is safe for your child to play with.