BBW หนังสือ USBORNE MEASURING THINGS ACTIVITY BOOK

Learn about all kinds of measuring with this entertaining activity book, including length, perimeter, volume, mass and time. Puzzles include working out the area of gingerbread houses, measuring the length of a maze, seeing how much animals weigh and more. There's even a cut-out ruler for hands-on practice. Quizzes after each section let children test what they've learned.