How do I check on the store locations, operating hours and hotline number? Learn more about our store locations and operating hours here. Alternatively, please feel free to call our hotline at +65-6339-9008 (10.00am to 8.00pm daily). Related articles Do you have an online store? How do I contact Challenger? What is the warranty period of my product? Which items are not eligible under the 7 days returns policy? How do I obtain a copy of my purchased receipt or tax invoice?