🔋 Dual power action fun – kids can power their robotic fish using the sun or a battery, offering a hands-on introduction to renewable energy and sustainable engineering through real-world play.
🐠 Watch it swim and learn – once assembled, this lifelike robot fish glides across water surfaces, teaching cause-and-effect, motion principles, and aquatic mechanics in a fun, splash-safe way.
🎓 STEM learning made fun – sparks interest in science, technology, engineering, and math with real mechanical movement, solar functionality, and robotics concepts that build critical thinking skills.
🧠 Build it, test it, tweak it – following clear instructions, kids assemble the fish themselves, boosting patience, motor skills, and problem-solving abilities through hands-on experimentation.
🌞 Eco awareness early on – promotes understanding of clean energy sources and inspires curiosity about environmental technology, encouraging eco-friendly thinking from a young age.
📦 Everything in one box – includes all parts: solar panel, motor, body components, and instructions; just add sunshine or a CR2032 battery for hours of fun and discovery.

Build, power, and play with the 4M Green Science Aqua Robot – an innovative hybrid-powered fish that brings science to life through hands-on learning and aquatic adventure. Designed to teach kids about renewable energy and robotics, this STEM-focused kit allows children to build a solar- and battery-powered robotic fish that actually swims. Perfect for ages 5 and up, it encourages experimentation, boosts motor skills, and nurtures curiosity about eco-friendly technologies.

Whether you're introducing kids to the basics of clean energy or simply giving them a fun and interactive science activity, this DIY kit delivers excitement and learning in equal measure. Easy-to-follow instructions make it simple to assemble, while the fish’s movement sparks wonder in bathtubs, sinks, or water trays. It’s an ideal gift for curious minds and young innovators.

With solar and battery modes, kids can explore energy choices while developing essential STEM skills. The 4M Aqua Robot is more than a toy—it’s a journey into the world of engineering, creativity, and sustainable play.

4M Hybrid Solar Engineering / Aqua Robot