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◊ 30 traditional K'NEX challenges
◊ 58 Real-life K'NEX challenges
- Activity 2 - K'NEX connectors
- Activity 3 - Five sizes of K'NEX triangle
- Activity 4 - Learning about triangles
- Activity 30 - Counting rods and connectors
- Activity 38 - Costing with K'NEX
- Activity 44 - Estimating with K'NEX
- Activity 52 - Ten-pin skittles
- Activity 67 - Weighing scales
- Activity 74 - Speed investigation
- Activity 82 - Organisation chart
- Activity 90 - Four-sided spinner
- Activity 95 - Coding machine
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Activity 64 - Calipers
Make the K’NEX callipers shown opposite. There are more photos showing how to build this model in the Guide.
Fix a ruler onto the callipers, so that the inside edge of the left-hand jaw is aligned exactly to zero on the ruler. The other jaw is designed to slide, so that it can be moved to touch the outer edge of the object being measured. You can then read off the object’s length on the ruler.
Q1. Can you use the callipers to measure the length of some small objects, and the diameter of a ball?
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