The Engino Stem Amusement Park Set London Eye And Ferris Wheel Building Set demonstrates the ability of to build huge models of impressive size and style, appropriate for ages of 9 years and above. The Children discover different types of structures and build two oversized models of the London Eye and a Merry Go Round. The set is completed with the option of building 6 smaller size models including a cable-stayed bridge, suspension bridge, arch bridge, truss bridge and house from printed instructions booklet and online. The hands-on activity book contains all that students need to know about technological advancements in architecture, with theory and exciting experiments and quizzes with their solutions. Requires two AAA batteries, not supplied. Suits ages 9 years and above.