Lego bricks and baseplates (Kirkstall LS5)

Hi I am looking for free green, brown, blue bricks , and a cupple of square plate pieces with a dot in a middle for my lego minecraft world I am building I suffer from autism and back problems and problems with walking sometimes I find it difficult to get out with the weather as it is at the moment and I been looking everywhere for these i basically I need a awful lot of these bricks and 4 green baseplate and 4 gray baseplate I am have so much problems at the moment finding these and it means a lot to me if anyone can help me I can't offer money but I can offer my thanks and a cup of tea or coffee for the help