At the risk of repeating myself: if you are teaching advanced beginners (students above USCF 800) and you can afford 30 clams, you must stop what you are doing and buy Winning Chess Exercises For Kids right now! (No, I'm not getting a commission!)
White to play and win material
Those of you strong enough to see the correct solution immediately might not notice that there are two (!) traps in an alternative variation that looks completely plausible to beginners.