New Number Blocks Number Blocks Math Set Math Box Preschool Elementary School Number blocks included in the math box. Comes with a case. Easy to handle as they are magnetic. Can be used for preschool education and elementary school math. Contents ・20 blocks ・1 case for 10 blocks ・2 cases for 5 blocks ・10 block cards Block size: 1.7 x 1.7 x 1.2 cm ※We also have various math supplies for sale! We also offer great value sets. Please take a look. #MocoMathSet Anonymous delivery, compensation, and tracking available. Please note that we will ship via Yu-Packet Post Mini (packed with cushioning material). How to use the product: 〇 Skills to be acquired Understanding of classification Using blocks with different colors on the front and back, you can learn to understand classification. 〇 Understanding of addition and subtraction with carrying and borrowing Using the included cases, you can visually learn addition and subtraction with carrying and borrowing while arranging the blocks. 〇 Features of this teaching material Deepen understanding of numbers with magnetic blocks You can deepen your visual understanding of numbers by arranging the color-coded magnetic blocks in the included cases. 〇 How to use Counting numbers Arrange the block cards and count from 0 to 100. You can also deepen your understanding of counting by tens with the block cards in groups of 10. Addition and subtraction with carrying and borrowing Let's do addition and subtraction with carrying and borrowing using the color-coded blocks and block cards.