Learn how levers are used to increase a force for lifting heavy objects and how you can create models with complex motion by connecting many levers together with Engino Stem Mechanics Levers Linkages and Structures Building Set. Discover all the types of forces acting on structures and find out ways to reduce their effects. Build 16 working models such as a seesaw, a movable weight scale, a wheelbarrow, a parking gate, a toy with moving figures, a pantograph, a cube, and a double deck bridge. You can find easy-to-follow building instructions for all models either online or in the booklet included. The booklet provides detailed explanations of the different scientific principles applied and incorporates innovative experimental activities for hands-on learning. A Quiz section is also available to challenge your newly acquired knowledge. Suitable for ages 9 years and above.