The competition was designed to encourage innovation among Parisians between 16 and 25 by creating projects of social benefit related to Olympic values.

A total of 24 young innovators - shortlisted from an entry of 131 - pitched their projects today to a jury at the French National Olympic and Sports Committee headquarters, and Bubblebox was judged the winning entry.

Second place, with development money of €15,000 (£13,000/$18.000), went to Kabubu, a project designed to promote friendship through sport by linking refugees and citizens engaged in sporting activities.

Development money of €10,000 (£8,000/$12,000) went to the third winner on the night, the Latitudes project, which explored using hi-tech equipment to allow students in engineering and computer schools to put their skills at the service of projects with high social impact.

The competition, which was run with the support of start-up specialists SenseCube - partners with the City of Paris - was looking for projects to help local people that reflected the values of the 2020 Olympic Agenda such as cost reduction, sustainability and non-discrimination.

SenseCube will now work with the winning entries, in some cases to develop apps.

The panel of judges included Jean-Francois Martins, Deputy Mayor of Paris in charge of sport, tourism and the Olympic and Paralympic Games, Pauline Véron, Deputy Mayor in charge of local democracy, citizen participation, community life and youth, Yannick Ifbe, a Paralympic fencing gold medallist, and Emmeline Ndongue, a basketball silver medallist at the London 2012 Games.

The 24 shortlisted projects included a wide range of propopals.

It included a collaborative bicycle platform, a GPS mobile app designed specially for pedestrians with low mobility, a system of turning unused crates into fruit and vegetable trays, a plan to recycle unsold bread and the establishment of a canteen to bring together migrant chefs.