Simply Magic 141 PCS Base Ten Blocks For Math - Place Value Number Cubes | Math Manipulatives K-3, Unit Blocks 1st 2nd 3rd Grade, Counting Blocks -
These foam blocks are highly recommended for their durability, quality, and usefulness in teaching math, counting, and counting. They are lightweight, easy to use, and come in a convenient box for storage. However, they may be too lightweight for some children.