Learn how Bob the Builder and his helpful crew the process of creating roads and bridges in this exciting ''On Site: Roads and Bridges'' DVD!

For the first time ever, join Bob the Builder and his Can-Do Crew as they explore real life construction sites. See giant diggers, mixers and trucks work together to build super roads and massive bridges. From digging the first hole to building a foundation and then laying the final asphalt cover, Bob the Builder teaches budding engineers how the process is done. Learn about the three types of bridges: support, arch and suspension. Then follow the steps and build your very own road or bridge, just like the pros! Sing-along with the catchy "How Do You Do It" song and see how new friends Flex, Bristle, Packer, Dodger and Tumbler help to demonstrate how roads and bridges are built.