This is a link to some photos of the house, as well as a Chinese site with a lot more detailed information.
Chungsiao West Road Sec 1, No. 50, B3 (Near Taipei Station, KMALL next to ShingGuang Mitsokushi MRT entrance)Children 7-12 $200 for one house, $400 for two houses
Adults $299 for one house, $499 for two houses
Hours: Mon-Fri noon-9pm (enter before 8pm); Sat&Sun 11am-9pm (enter before 8pm)