D.T. Moving Toy with a cam mechanism

Learning in this unit:

To recognise the movement of a mechanism within a toy or model
To know about the relationship between a cam and a follower
To understand that a cam will change rotary motion into linear motion
To understand that different shaped cams produce different movements
To consider the characteristics of the cam mechanism when designing the moving part of the toy
To test out design ideas before going forward
To develop a clear sequence of how materials and tools should be used and how making the toy will proceed
To cut and join with accuracy to ensure a good quality finish to the product
To test the mechanisms and make adjustments where necessary