My almost 6 year old has been loving STEM toys lately! This chain reaction KiwiCo set has been a fave ❤️ So cute and can be set up a few different ways. KiwiCo, kids toys, STEM toys, 6 year old birthday gift idea, kids gift ideas, chain reaction toy, learning and development toys, kids activities LTKKids LTKFamily LTKGiftGuide