hand2mind Differentiated Plastic Base Ten Blocks Complete Set, Place Value Blocks, Counting Cubes for Kids Math, Base 10 Math Manipulatives for Kids, Kindergarten Homeschool Supplies (Set of 121) : Amazon.ca: Toys & Games
Addition With Base 10 Blocks & Number Expanders | Grade 1–2
294 Base Ten Blocks Images, Stock Photos & Vectors | Shutterstock
Place value blocks (practice) | Place value | Khan Academy