“The device must be fully automatic (Constraint). It should crush the can (Constraint). The following are required;
• The device must have a continuous feeding mechanism. (Constraint)
• Cans should be in good condition without dents. (Constraint)
• Can must be crushed to 1/5th of it’s volume. (Constraint)
• Max dimensions of entire device should be < 450 x 450 x 300 mm. (Constraint)
• Performance based on cans crushed per minute. (Criteria)
• Device must be standalone. (Constraint)
• Should be operable by children aged 8+. (Constraint)
• Final design should retail