WATER SPRINKLERS THEY CAN BE HOOKED TOGETHER FOR WATERING LARGER AREAS. THE 3 ROUND ONES AND THE 2 YELLOW PLASTIC ONES WERE NEW LAST YEAR. THE YELLOW METAL ONES ARE OLDER. THEY ALL WORK GREAT. $40 FOR ALL 8 OR $8. EACH. I CAN THROW IN SOME SHORT HOSES IF YOU BUY ALL OF THEM.