Simple Machines are basic mechanical devices for applying force and doing work. Work is the transfer of energy through motion. ‘Work and Simple Machines’ – this wall chart includes information about various types of simple machines, principles of machines, and more. • Suitable for age-group 6 years and up • Size 48 x 73 cm • Colourful presentation • Durable • Both side laminated • Tear resistant This educational wall chart is ideal for all science enthusiasts and students of elementary grades. It can be easily displayed on walls of science classrooms, study rooms, or any learning centre and make learning interesting.