Mobi Maths Crosswords GameThink Scrabble or Bananagrams but with numbers! This clever and creative game turns maths into a fast paced puzzle. Use blue number tiles and white operation tiles to build your own maths crosswords from simple sums to tricky equations! Its easy to learn, fun to play, and perfect for all ages, so everyone can join in. Race to use all your tiles before the others there are 162 in total, all packed inside a handy zip up whale!