Numberblocks Adding and Subtracting Puzzle Set of 20 Educational Jigsaw Puzzles * This early years Numberblocks puzzle helps little ones learn basic addition and subtraction skills with their friends the Numberblocks. * There are 10 addition and 10 subtraction puzzles featuring Zero to Ten. * Children match the simple maths question to the correct answer piece to complete the puzzle. * Each of the 20 x 2-piece puzzles fits together in a unique way, which allows children to self-correct and learn independently. * Completed puzzles measure 15cm L x 10cm W.
