Audience: Families, All Description: Maths Week Live @ Explorium! Join Mark and Ali to celebrate Maths Week 2020 as they take the chair LIVE on Countdown! Numbers, puzzles, enigmas a good 9 letter word thrown in for good measure! Booking Details Free event, streaming live on YouTube at 11am https://www.youtube.com/watch?v=pM4MnURw83M