Using below xpath:
// driver.findElement(By.xpath("//li[@class='cell small-4 ui-sortable-handle']/child::a/child::p[1]/i[@title='Content Blocks']")).click();
Using below xpath:
// driver.findElement(By.xpath("//li[@class='cell small-4 ui-sortable-handle']/child::a/child::p[1]/i[@title='Content Blocks']")).click();