Almost £60,000 has been pledged for Matt's Fund.
The fund has been set up to send seriously ill Matt Rackley to the USA for state-of-the-art cancer treatment, which costs £150,000 and is not available on the NHS.
It currently stands at just above £57,000, with some donations not processed yet.
A collection at Royal Ascot raised £850, while Slough Fire station raised £1,200 at a car wash on Saturday, June 14.
Marlow firm Softcat raised £850, and organised a barbecue to raise more money yesterday.
A huge fundraiser in Ockwells Park has been organised for Sunday, August 3, with a mechanical bull, bouncy castles, live music and comedy, and a raffle with a cash prize of £1,000.
On Friday, Matt's girlfriend Hollie Gemmel is leaping from a plane in a skydive, which has raised £1,741 so far.
A post on the fund's Facebook page thanked everyone for getting involved. It adds: "We are on the crest of wave so let's keep this movement happening."
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The victim of an assault in Cippenham was flown to hospital by air ambulance this afternoon.
A rapid response vehicle, an ambulance officer, an air ambulance and an ambulance crew were all called to an address in Earls Lane at 2.10pm.