Care Bears Happy Days birthday party supplies. The best Children's Birthday Party Ideas start with a great birthday party theme, so for a fantastic Care Bears Birthday Party, start with our amazing selection of Care Bears Happy Days Birthday Party Supplies. Care Bears Happy Days makes for a great party theme idea and for an amazing Birthday Party! Have a party to remember this year with a terrific kid's birthday party theme featuring Care Bears Happy Days! Great Birthday Parties start with Great Birthday Party Supplies!