Billy wanted his ball to knock down three pins. First, he rolled it straight, but it missed. Then he built a guide with cardboard strips. The ball followed the path and hit all the pins! His design helped the ball go exactly where he wanted.
What helped Billy hit the pins?
Rolling harderUsing cardboard guidesMoving the pins closerGetting a new ballWhy did Billy miss the pins at first?
The ball was too slowThe pins were too smallThere was no path to guide the ballThe ball was too big