Complies with NGSS:

NGSS K-2 Engineering Design
K-2-ETS1-1, K-2-ETS1-2, K-2-ETS1-3

Core Disciplinary Ideas:
ETS1.A Defining and Delimiting an Engineering Problem;
ETS1.B Developing Possible Solutions;
ETS1.C Optimizing the Design Solution

Engineering: Electricity
Spin motors and pinwheels; Light lights;
Buzz buzzers; Send coded messages; Test what conducts