Ninja Stress Ball

I use these for my more anxious ninja warriors while they wait in line. Squeeze and release their anxious nerves until they finally are next up in line to have a go

Perfect for warming up and building forearm strength while on the go! It’s lightweight, compressible,  and durable... perfect for throwing in a backpack, pocket or purse. I keep mine in my car for when I’m driving... also “might” help making me a friendlier driver. For the price, its a no brainer!