Mickey's Clubhouse Birthday Party Supplies. The best Children's Birthday Party Ideas start with a great birthday party theme, so for a fantastic Disney Mickey's Clubhouse Birthday Party, start with our amazing selection of Disney Mickey's Clubhouse Birthday Party Supplies. A Disney Mickey Mouse theme makes a great party idea for a great Birthday Party! Kid's just love Mickey Mouse. Have a party to remember this year with a Disney birthday party theme featuring Mickey's Clubhouse! Great Birthday Parties start with Great Birthday Party Supplies!