when i make boys quilts to donate to charities i go to walmart you can get many difft fat squares there with designs for boys . they have pirates , dogs, cars, diferrnet colors, fish,crossbones and sculls , bandana material too mant to list and the also have cars the thing to do is go to the sewing department and ask them to bring out there stash because they fill the racks but dont put up all of what they have in their shipment. they cost $1.00 and you could make up so many different designs and they children will love it if you need help with this let me know okay