World Book Day is on 7 March. All children in the UK are entitled to a £1 voucher to exchange for a book (see www.worldbookday.com for the list). From the World Book Day website:
Q. My children are educated at home. Are they entitled to receive £1 WBD Book Tokens? A. Yes. Please supply your details, including the number of children in your care and they will be dispatched to you by the WBD Helpline. There is no charge for this service.