I can't move!

Hint 1 of 5:

Think seesaw.

Hint 2 of 5:

Also think about the only item you can reach.

Hint 3 of 5:

Get the board next to Butt-head.

Hint 4 of 5:

Now, put it between the two balls.

Hint 5 of 5:

Now, fling Beavis up.