- Sat, Jan 22Brookhollow Elementary SchoolJan 22, 8:00 AM – 12:00 PMBrookhollow Elementary School, 1200 N Railroad Ave, Pflugerville, TX 78660, USA$6 Per Team Member. Teams will learn and practice Instant Challenge skills to prepare them for the tournament. Details: Masks strongly encouraged. Please plan on bringing snacks for your team. Registration will close January 15th 2022. Due to COVID policy, walk-ins will not be accommodated.