There are many events/occasions that you can use Wrapped Candy Bars for.
Here are some ideas, although I'm sure there are quite a few that I haven't even thought of.

• Baby Shower Favors
• Baby Announcements
• Birthday Party Favors
• Wedding Shower Favors
• Wedding Favors or as Place Cards
• Anniversary Party Favors
• Religious Ceremony Favors
• Retirement Party Favors
• Graduation Party Favors
• Family Reunions
• Class Reunions
• Proms
• Housewarming
• Banquets
• Holidays (Christmas, Valentines, Halloween, etc...)
• Proposal of marriage (to be really different)
• Gifts
• Stocking Stuffers
• Fundraisers
• Business Promotional Items (in place of a traditional business card, tradeshow give-away or for political campaigns).
• Realtors (Open house give-aways, thank you to your customers at closing, or as business cards)