alphabet straight line and spelling test standardised timed, motor skills test, visual perception test for dysgraphia uk and world

i want to create standardised test for dysgraphic hand writing disorder by working with kings college london brian butterworth and steven chinn educationalist expect of dyslexia, which should be cheaply affordably available to children and further education and higher education which involves alphabet straight line, spelling test,, motor skills with pen visual pecepetion test with letter shapes, auditory.