Polytropolis Inventor's Toolbox Explore how electricity and circuits work through hands-on learning and building Comes with multiple building block pieces, conductive and non-conductive dough, light up LEDs, and a comic book curriculum Teaches important STEAM (Science, Technology, Engineering, Art, Mathematics) concepts: hands-on problem solving and play, creativity, spatial and tactile skills open-ended learning, and building Includes an illustrated instruction manual in color with additional video instruction available online Addresses multiple Common Core Standards