Enter a spot-the-ball competition and win a superyacht!

Enter a spot-the-ball competition and win a Ferretti!

The extraordinary opportunity has been set up by boat salesman Will Hardy, of London, who aims to raise £2 million for AIDS charities through the initiative.

For more see www.positivebuoyancy.org or read the full story of the March issue of MBY, on sale 2 February.