Maris Racal and Sue Ramirez toughen it up to keep a straight face in Kuya Kim Atienza’s “Asim Challenge” on “Matanglawin,” this Sunday (January 7), 9:45 am on ABS-CBN. Catch them and their “Hanggang Saan” co-stars Yves Flores, Arjo Atayde, Teresa Loyzaga, and Sylvia Sanchez try out the challenge that has caught social media by storm while answering questions from the King of Trivia. Kuya Kim also shows Dio Ortigas’ realistic action figures and the debut of the first Pinoy-made hoverboard created by Philippine All Stars dancer Kyxz Mendiola. Catch all these and more in the most-awarded educational TV program, “Matanglawin,” this Sunday (January 7), 9:45 am on ABS-CBN and ABS-CBN HD. Watch online via iwantv.com.ph and skyondemand.com.ph. For updates on the program, follow @MatanglawinTV on Facebook and Twitter.