The inventor basic series has been developed for maximizing creativity and imagination- In each set many different models can be created from a wide range of themes, from structures to cars, planes and cranes- The bigger sets also include the 3V geared motor, allowing children to motorize many of their models- Detailed instructions are included for the major models while secondary models can be assembled by following the free to download internet instructions- All sets can be combined together to create bigger builds, limited only by the childs imagination-- Contains 193 pieces and 938 connecting points plus 3 volt geared motor- Build structures and machines using this multidimensional construction system- Printed instructions are included for fun easy to assemble models - more plans can be downloaded from the Enginos website- Excellent addition to a home-school curriculum- Another fun- educational product from the company that brings you Snap Circuits- Ages 5 and Over