🔬 Unleash the Scientist in You! Designed for effortless setup and operation. Boosts creative skills while learning. Stable motorized propeller for worry-free fun. Perfect for hands-on science experiments! Lightweight at just 500g for on-the-go experiments. Compact size: 7x4x1 cm 2 AA batteries included High-quality components The DIY Science Experimental Circuit Set is a compact and engaging educational tool designed to inspire creativity and scientific curiosity in children. With high-quality electronic components, easy assembly, and included batteries, this set is perfect for hands-on experiments that promote learning and fun.