Trucks HD by Duck Duck Moose (iTunes) $1.99

Trucks has five fun activities including a car wash, first you get your car nice and muddy, and construction vehicles.  Ages 3 and up.

Toca Cars by Toca Boca  (iTunes, Google Play) $2.99

Pick a character and drive around the course or build your own course.  As with all Toca creations there is tons of silliness!  Ages 3 and up.

Boats by Oceanhouse Media (iTunes) $1.99

A great interactive version of Byron Barton's "Boats".  Ages 3-5.

Wheels on the Bus Band by Mibblio  (iTunes) $0.99

This awesome music app allows you to join the band!  Ages 3 and up.

Design A Train by Playtend   (iTunes) $1.99

Color and design your own trains and then run them through a variety of stations.  Ages 3 and up.