As a play activity you can also teach how to use a cellular phone, computer, or read a thermometer, etc., to those who do not know how to use them.

Explanation

(1) We can teach how to use a cellular phone, computer or read a thermometer to our friends, others like a play , who do not know how to use them .
(2) We can divide the various activities of operating a computer into groups.
(3) We write those names on slips and ask them to pick up each.
(4) Later arranging them in functional order and executing them and making students to understand.
(5) And asking them to give some tasks to be completed or sums to be calculated and with their contribution framing the answering activity.