Engino Mechanical Science: Levers Construction Kit ENGINO: Play to Invent Multidimensional construction system. Build structures and machines. Introduces young engineers and physicists to how levers are used to increase force and lift heavy objects. Excellent addition to a home-school curriculum. Brought to you by Elenco. ENGINO: Play to Invent Multidimensional construction system. Build structures and machines. Introduces young engineers and physicists to how levers are used to increase force and lift heavy objects. Excellent addition to a home-school curriculum. Brought to you by Elenco.