Help to develop kids' hand-eye coordination skill and fine motor skill, and it is a good way to improvephysical exercises.For your kids, it is the best birthday gift, Christmas gift, new year gift, etc. Both girls and boys will like them.These sticky balls with hook and loop design are easy to use for dart games.Features-Color:Red, yellow, blue, green-Material:PA, nylon-Size:3.40X3.40X3.40cm/1.34X1.34X1.34in- The product is lightweight for you to easily carry, can be taken to anywhere.- Help to improve the coordination of hands and eyes and help your child begin to exercise from youth.- The safe sticky dart game balls are easy to hold and throw, enjoy the outdoor and indoor game anytime.- You can also interact with your family to bring more companionship and joy to their growth.- Made of PA and nylon material with bright color and durable for lasting use.Packing list20 x Sticky Balls