(Disclosure: Some of the recommended products contain affiliate links at no additional cost to you. We only recommend products that we have or would purchase ourselves based on the quality and customer services.)
- A graded set of ten wooden rods, differing from one another in only one dimension - length. Increasing regularly in length, the shortest rod is 10 cm long and the longest is 100 cm long.
- DIY: Use red construction paper, cardstock, or sticks to make ten strips or prisms varying in length (increasing by 10 cm, starting from 10 cm to 100 cm); or stack same colored LEGO bricks to form 10 rods with varying length; or
- Recommended products:
Have an account?
More like this