(2019) Packed with mind-boggling, synapse-straining, super-fun memory games, this book is a wonderful way to give your mental muscles a work-out! It supports the key stage 1 (KS1) and key stage 2 (KS2) curriculum and is great for home learning. Perfect for puzzlers aged 6 and up. ABOUT THE SERIES: Brain Boosters is an engaging educational series, full of mind-boggling puzzles and activities which are designed to test the maths and logic skills of young readers.