Hint: full instructional videos are found at the end of this page

Start level

Who is this?

Find the fish!

Counting the knobs!

Who is largest?

How much larger?

Sorting numbers!

In between!

Intermediate level

At the cash counter!

Ten friends!

Building houses!

Building reverse houses!

Building an animal!

Advanced level

Building an animal with ten friends!

Building an animal of weight X

Boil the numbers!

Slicing the numbers!

Classical addition!

Full instructional videos

Instructional videos for kindergartens

Instructional videos for schools