14" Light Up LED Ground Marker Stakes (Set of 12) - Blue Blue Glow: This 12 Piece Pack of LED Light Stick Markers comes with Blue Glowing LED Markers Battery Operated: The LED Light Stick Markers are battery operated glowing light stick ground markers with bright LED lights, making them re-usable by simply replacing the 3 AG13 batteries. 3 Modes: Each Glowing LED Marker Stick has 3 light modes that include a flashing mode, a slower strobe and a steady light mode. Uses: The Blue Light Stick Ground Markers are great as Night Golf Markers, Outdoor Light Stick Markers, Night Sports Light Sticks, LED Camping Ground Stakes, Glow Run Markers or as safety markers for lighting paths and hazards. The LED Ground stake markers are also fantastic for highlighting the backyard for an epic glow party! 14 Inch LED Light Stick Ground Marker Stakes (Set of 12) - Glowing LED Markers with Ground Stakes are bright battery operated Light Sticks designed as glowing outdoor ground markers! Use these versatile LED Ground Stakes as glowing yardage markers for Night Golf or set up your own night course for a variety of glow sports! You can even use these Light Up Marker Sticks as trail and safety markers for camping and hiking or as perimeter outlines for Glow Runs or Glow Bike Rides. Each glowing LED marker comes with 3 AG13 Batteries pre-installed and are easily replaceable so you can use your glowing marker over and over again! Instructions: Remove the battery protection tab from the top part of the Glowing LED Ground Stake. Press the button to turn the Glow Marker on, press the button again to circulate through the Flashing, Slow Strobe and Steady Light modes.