I wanted to keep these in my car cupholders to scare dogs that chase my car, but all the water leaks through the seam, not the valve. So, kids could play with them, but you need to fill and use immediately.
Entertaining for short time, then drips until empty.
Love the colors, shoots water the distance but when done, we left them full of water to check for drips & in 1 day both were empty of water. So play with them in the present because when you put them down (braced upright or flat on side) they will be empty.