Double-decker buses allow you to hop on and off at the city's major tourist attractions with buses passing by approximately every 30 minutes. Tickets are sold at nine convenient stops: Multicentro Mall, TreScalini Restaurant in Business District, Parque Urraca near Cinta Costera, Albrook Mall, Miraflores Museumat the Canal, Casco Viejo andthe Amador Causeway at the Biodiversity Museum and Isla Flamenco. The first bus leaves Multicentro at 9 a.m. and the last at 4 p.m. 24-hour ticket: $29 adults/$15 children. Also fares for 48 and 72 hours. Entrance to attractions is not included in the price.