The FA have done research on the benefits of 3v3 which you can read here: https://thebootroom.thefa.com/resources/coaching/why-you-should-try-3v3-games

Football rebounder nets have become very popular over the past few years. Rebounders are used by both outfield players and goalkeepers. For outfield players they can be used to improve their first touch be that with their feet, head or chest, work on their ball control and volleying or to strengthen their weaker foot through repetition. For goalkeepers the rebound nets can be used to improve reaction time and handling. In the opening months of the Korean War, in August 1950, a joint US Navy and Marine Corps test used a newly acquired Bell HTL-4 helicopter to test if a bazooka could be fired from a helicopter in flight. One of the larger, 3.5 inch, models of the Bazooka was chosen, and was mounted ahead and to the right of the helicopter to allow the door to remain clear. The bazooka was successfully tested, although it was discovered that it would require shielding for the engine compartment, which was exposed in the model 47 and other early helicopters. The helicopter itself belonged to HMX-1, a Marine experimental helicopter squadron. [41] Operational use [ edit ] World War II [ edit ] American soldier with M1A1 bazooka on August 23, 1944, near Fontainebleau, France An optical reflector sight replaced the iron sights beginning in September 1944. [24] The M9A1 supplanted the M9 in production beginning in June 1944. It has an improved coupling mechanism for the launch tube; the overall length is 61.1in (1.55m) and 31.5in (800mm) when folded. Unloaded weight is 15.87lb (7.20kg).Bazooka is a fictional character from the G.I. Joe: A Real American Hero toyline, comic books and animated series. He is the G.I. Joe Team's missile specialist and debuted in 1985. It can also be used on many surfaces indoors and outdoors including sports halls, grass, concrete, or AstroTurf. Adidas unveiled the Brazuca at a launch event on 3 December 2013, two days ahead of the traditional unveiling of the World Cup match ball at the draw of the group stages of the World Cup Final. [2] The launch event took place in Rio de Janeiro at Parque Lage and featured a 3D light projection, which revealed the Brazuca to everyone in attendance. [3] [18]

Bazooka was first released as an action figure in 1985. [2] The figure was repainted and released as part of the Tiger Force line in 1988. [3] A new version of Bazooka was released in 1993 as part of the Battle Corps line. [4]The launch tube can be folded to just over half the opened length which makes it far easier to carry into combat adidas unveils brazuca, the official ball of the 2014 World Cup". SBNation.com . Retrieved 12 June 2014. Characteristics and Employment of Ground Chemical Munitions", Field Manual 3–5, Washington, DC: War Department, 1946, pp.108–19 .