i used the x: y: axes blocks the move blocks,the pen up or pen down blocks,the set pen size to blocks,set pen colour to blocks,the clear block,the wait something seconds block,the show and hide blocks,turn something degrees blocks,the point in direction blocks,the switching backrounds blocks,the playing sound blocks, most specialy i used 1 repeat in 1 repeat and of couse i also used the when green flag clicked block.