Make your own staff on the magnet board. Black 1/4" ribbon (cheap) and adhesive magnets. The "notes" are the same colors as the boomwackers and were cut with a die-cut machine w/magnets on the back and sharpie solfedge on the front. Easy to move "do" to any line or space.
Boomwhacker Lightsaber Duel - Star Wars Fun for the Musically Inclined