Numberblocks: First Numbers Jigsaw and Book: Learn to count with this fun, numbers board book and giant 20-piece jigsaw! Play and learn with the Numberblocks! Join Numberblocks One to Ten for some puzzle fun! Featuring a colourful board book and a giant 36-piece floor puzzle, this First Numbers set will help little learners to recognise numbers, understand value, begin counting in order and practise problem solving, all while having fun!