Plan Toy Hammer BallsThis feel good robust skill toy from Plan Toys has easy to handle parts. An ideal start to your childs life long practice of hammering away at fixed objects! When the balls are struck they roll down an inner path so as not to scatter away. A great toy to improve hand eye coordination aligning slotting aiming combined with all the fun of hammering. It measures 4 inches x 9 inches x 4. 5 inches.