Kids Inventor: Learn Electronic Circuits with Blocks - Educational Toy Radio Creation Kids Inventor educational toys are primarily aimed at children aged 6-14, offering electronic blocks and assembly kits that allow them to learn STEAM education (Science, Technology, Engineering, Arts, and Mathematics) through play. This electronic circuit creation kit is: A snap-together electronic block toy that allows for the assembly of 320 different circuits. It provides a safe way to experience authentic electronic work, such as blinking lights, transistors, operational amplifiers, and radio creation. The manual includes both an English version and a Japanese translation. It has been used a few times but is still in good condition. We ask that those who understand it is a used item please consider purchasing.