penguin art Trampolines mats can be found in different shapes'round, rectangular or oval. They come in many sizes too coming from a mini someone to a 14 feet one. You can choose the size and type to suit your requirement'either for any home, school or playground. The trampoline springs, without which there is no bounce consists of very good steel. The helmets within the 1930’s were pretty plain and looked the same making it tough to differentiate between teams. Most of the teams would simply paint their logos or team colors alone onto the helmet to be able to promote their team. The Los Angeles Rams was the initial team to print their logo onto their helmets in 1948 so that it is officially their team helmet. The other teams quickly followed and very quickly every team had their logos and colors printed onto their helmets. The helmets became a collector’s favorite in the 1970’s when everyone started buying their favorite teams helmets. It quickly became a favorite and was officially converted into a souvenir for many football fans. Today you can even purchase the mini helmets that is certainly sold everywhere where sports memorabilia is sold. Some fans have got it a measure further with a common players autograph their helmets.