The colors help emphasise the base ten nature of the number system and make it simpler for students and teachers to describe what they are doing as they can refer to the different colors.
“Hands on Learning”
This set contains 100 yellow units (1x1x1cm), 10 green rods (1x1x10cm), 10 flats(1x10x10cm), 1 red cubes (10x10x10cm).
6+
Develop number sense
Helps children in visualizing numbers to develop number sense, and to become proficient in place value. Base 10 blocks are proportionally sized to emphasise that 10 ones make 10, 10 x ten makes 100 and 100 x ten = 1,000. Hands on Learning
Helps advance important maths skills
Advance important maths skills in counting, sorting, place value, addition, subtraction, multiplication, division & subitising.
Essential educational tool
Edx Education’s Base 10 Set is color coded to help make it easier for students and teachers to describe and recognise what they are doing as they can refer to the different colors during learning activities.
Edx Education 
Edx Education Transparent Volume Set 
edx education_19612_Pattern Play Activity Set-0