By Moumita Adhikary
Resource utilization is essential. Empty packing cardboard or hard paper cover boxes can be of different shapes and sizes, outers or inners.
A quick demonstrations consists of four small cardboard boxes. Each box is a building block of a prototype construction. Boxes put together to form a Lego house as follows in the pictures : –
Image: Packing boxes scattered as raw material.
Image: Lego pent house.