Singapore Bowling council member Tan Zhi Qiang, 35; national coach Jason Yeong-Nathan, 37; Thaddeus Tan, 14; national coach Helmi Chew, 39; SBF council member Valerie Teo, 35; and Ashton Tan, 15, celebrate making 116 strikes in 20 minutes to raise over $5,000 yesterday at Temasek Club. The efforts are part of the #20strikeschallenge to bring in $50,000 for the Autism Resource Centre (Singapore).