Do you kids love to watch Caillou television series? Check out for some Caillou backpacks below. They are great for children for back to school especially for any Caillou fans. There is Caillou backpack in blue and red colours. The size of the backpack is approx. 12 x 14 x 5 inches and has adjustable and padded shoulder straps. There is also large backpack featuring Caillou holding Gilbert on the front. It has one main compartment, front pocket, side zippered pocket and side mesh water bottle pocket. It also has shoulder strasps and carry loop on top.