Electric Marble Run with Automatic Elevator Lift - STEM Building Toy for Kids Ages 4-8, 102 PCS Construction Set with 10 Marbles & Transparent Track, Compatible with Standard Building Blocks

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• 【Auto-Cycling Electric Lift System】Effortless Endless Fun! Watch marbles magically climb with our motorized elevator—just add 1 AA battery (not included) and enjoy non-stop marble runs without manual reloading! The transparent lift reveals the fascinating mechanics inside, turning playtime into a real-world physics lesson about motion and gravity. Perfect for STEM-loving kids who crave interactive learning
• 【102-Piece Ultimate STEM Building Kit】Build Bigger & Smarter! This complete 102-piece set includes 10 colorful glass marbles, multiple track types, and special connectors to create endless marble run designs. Kids develop engineering skills as they experiment with gravity, momentum, and structural balance—each new layout offers fresh challenges that grow with their abilities
• 【See-Through STEM Mechanics】Science in Action! Our unique transparent elevator gives kids a front-row seat to observe how the ball lift system works, sparking curiosity about simple machines and physics. As marbles ascend and descend, children learn cause-and-effect relationships—making this more than just a toy, but a hands-on STEM Set
• 【Ultra-Safe & Expandable Design】Worry-Free Play + Unlimited Creativity! Made from premium, ABS plastic with smooth, rounded edges (meets ASTM F963 safety standards). Oversized 2"+ track pieces prevent choking hazards. Plus, compatible with most building block systems, so your child’s marble run can expand into epic marble mazes
• 【Ideal STEM Gift for Kids 3-8】The Ultimate Gift for Young Engineers! Designed for boys & girls ages 3-8, this educational marble run makes an ideal Birthday, Christmas, or Children’s Day gift. Encourages problem-solving, creativity, and logical thinking—perfect for home, classrooms, or playdates. Watch their confidence grow as they build, experiment, and play