Set up obstacle courses and relay races in a snap with these handy dome cones. Bright spectrum colors are easy to see, so the 3"-high domes stand out even outdoors! it even has a handy spindle for easy storage and transport. Strong enough to create a path of 'stepping stones' for your kids to follow. Supports up to 120 lbs. Set of 36 dome cones includes 6 each of red, yellow, Blue, green, orange and Purple. 7-1/2" diameter.