The Thames & Kosmos Mega Cyborg Hand Stem Experiment Kit is a 203-piece educational toy that allows children to explore electronics and electricity through hands-on experimentation. With the brand's reputation for quality and engaging educational products, this kit is sure to spark curiosity and creativity in young minds. Perfect for young science enthusiasts who enjoy tinkering and building, this kit offers a fun and interactive way to learn about STEM principles. Plastic pouches inside are brand new and never opened and comes with all packaging instructions and booklet! Thanks so much!