Engino STEM Toys, Levers, Linkages & Physics Laws: Inertia, Friction STEM Kits, Constructions Toys for Kids 9+, Gifts for Boys & Girls, STEM Building Toys. Number of Pieces: 118. Toy Building Block Type: Interlocking Toy Building Block. Educational Objective: Imagination Development. Age Range Description: Kid. EASY TO FOLLOW INSTRUCTIONS + INCLUDES 10 pages of theory and facts with explanations of the different scientific principles accompanied by fun experiments to test newly acquired knowledge. A page quiz section is also included. GENERAL- For ages 9+. Our Interactive 3D app lets children build in virtual reality. CHOSEN as one of 21 best stem toys and gadgets to get your kid interested in tech. WITH AWARD-WINNING components designed by Engino, complex scientific concepts are brought into clear focus for budding engineers and scientists. Make education fun with Engino, proudly made in Europe.