2× DC 3–6V Submersible Water Pumps Compact mini pumps with good water flow, ideal for fountains, tank circulation, water transfer, and model projects. 2× Flexible Tubes / Pipes Compatible with the pump outlet for easy water movement in your model. 2× 9V Batteries with Snap Connectors Provides simple and portable power for running the pump and motors. 2× ON/OFF Switches Lets kids control their project with a dedicated power switch. 2× Toy Motors (DC) Useful for additional experiments like rotating models, fans, or mechanical motion demonstrations. Easy-to-Assemble Components No soldering required — kids can plug, connect, and start experimenting instantly.

EDUCATIONAL BENEFITS Encourages STEM learning through real-world hands-on activities Teaches basic electric circuits, motor operation, and water flow mechanics Improves creativity, problem-solving, and understanding of science concepts Suitable for school science fairs, project submissions, and hobby experiments

Brushless DC Motor – The high-efficiency brushless motor delivers strong performance, lower noise, and extended lifespan compared to brushed alternatives. 6–9 V DC Operation – Compatible with common low-voltage sources such as batteries and DC adapters, ensuring easy integration into DIY and portable setups Compact Footprint – Designed small and lightweight, making it suitable for desktop water features, terrariums, hydroponic systems, and modeling projects High Flow Rate – Capable of moving a considerable amount of water (typically around 120 L/H for similar models), delivering efficient fluid circulation