£0 remaining for a weighted blanket

This twelve year old girl, who is struggling with her mental health and has severe anxiety, is working with mental health services, but is finding life really tough. It's been suggested a weighted blanket could help her, but her mum does not have the finances to buy one. Researchers believe weighted blankets are effective in alleviating physical and emotional symptoms and beneficial for treating anxiety. It would be really appreciated if you could help with purchasing a weighted blanket for this girl.