A large proportion of accidents on the playground due to falls. Protection from falling is a key concern of standard EN1176-1. The impact zone surface and the used shock absorbing materials, It is subject to be tested. Such materials are sand, the pebble and the tree trunk bark (loose), referred to commonly used materials in Table 4 ELOT EN 1176-1:2008, and the plates of recycled rubber or molded floor (synthetic materials). According to MD 28492/2009 and by modifying 27934/2014 the drop surfaces playgrounds must comply with the specifications of the serial standards EN1176-1, IN 1177. The critical drop height of shock absorbing surface should be larger than the free fall height of the installed equipment. In the entire impact area should be no shock absorption coating. For loose materials without clay particles, You can determine the size of the granules by sieving test according to EN 933-1.