Pens suitable for Nursery use etc (Four Marks GU34)

Does anybody work in a local nursery or similar and could use a collection of cheap BIROS which would do perfectly for scribble purposes. None have removable parts, nothing to unscrew, there is nothing small to swallow. Hence nice and safe (unless the feral beings you deal with are the sort to eat whole pens...) Might be able to find you a few colour crayons as well, but the biros are the thing I would most like to find a home for. Might be able to deliver to FM or Medstead during your office hours, or maybe Alton in evenings. Please don't request unless you will genuinely use these for a sensible purpose, and can collect reliably from near to Travel Lodge A31 Four Marks if I cannot deliver.