Phil & Teds Explorer Doubles Kit Turn your new Explorer buggy from Phil & Teds into a multiple stroller with one simple attachment- the doubles kit! The doubles kit converts the Explorer from a single seater to a two passenger tandem double stroller, allowing your baby and toddler to ride together. With the Phil & Teds Double Kit, the Explorer buggy has four possible modes: Single baby stroller; Single toddler stroller; Double baby and toddler stroller; Double toddler stroller.