Building Toys Electric Marble Run STEM Educational Construction Toys for 5+ Year Old Kids, Penguin Toys

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• Electric Marble Race Track - Our building blocks set with colorful LED lights and music box, charged by USB charging cable ( batteries not included ). Both manual gear drive and electric drive modes are available.• Educational STEM Toy - Learn while play. These big block sets could help kids well developed their color shape cognition, improves visual memory and concentration, develops patience and problem-solving, inspire their imagination and creativity.• Countless Ways To Play -The combination of each other add lots of fun to this marble race set. With the guidance of instruction, at least 4 kinds of dinosaur toys block set can be made by kids, from easiness to difficulty. Children always have endless creativity!• High Quality Toys for Kids - Made of ABS material with a high-security level, which is harm-free to kids and the environment. No smell, smooth without burrs, colorful and solid. Each piece with fine workmanship and a smooth surface allows your kids free to play without any security issues.• Perfect Gift Choice - This STEM toy is not only a big block set but also a marble run and a gear toy that sparks kid's imagination and logical reasoning. Perfect gift choice for your boys' girls on Christmas, Thanksgiving Day, Children's day, birthday, and other holidays.