Fascinating footage shows police training drone pilots - in a children's soft play centre. <br /><br />Lincolnshire Police pilots have been honing their skills by navigating climbing frames, nets and slides at a soft play course.<br /><br />The force posted footage of one of their DJI Avata drones being followed as it navigated the colourful kid's obstacles last week. <br /><br />They said the soft play provided "one of the most challenging environments" to test their abilities ahead of search and surveillance operations in the real world.