THE family of quadriplegic Tweed Heads man Duncan Sawyer are fundraising to send him overseas for treatment that could see him walk again.

The Sawyers will hold a garage sale this weekend to fund intense physiotherapy for the 20-year-old who was injured after breaking his neck in a bike accident 18 months ago.

They are appealing for donations of items to sell.

Donna Ford, Mr Sawyer's mother, said the money raised will get them one step closer to his treatment.

"The money we make will help to get Duncan overseas to a place called Project Walk," Mrs Ford said.

"We need to raise at least $40,000 to send him over for six months."

Project Walk is a not-for-profit organisation that has a 75% success rate of getting people with spinal cord injuries back on their feet.

Ms Ford said they were selling a large variety of items at the garage sale but would appreciate any donations the community could make.

"People will find lots of electrical stuff, car stereo systems, security camera and monitors, baby stuff, jewellery and lots more this weekend," she said.

"But any household goods that can be donated for this would be great," she said.

The garage sale is on Saturday and Sunday from 9am (NSW) at 28 Blundell Blvd, Tweed Heads.

To donate items contact 07 5524 1488 or 0447 899 784.