DIY Building Kit STEM Educational Engineering Assembly Toy Screwing Blocks Building Construction Toys Creative Fun Gift for Kids Upper Full ball bearings

Full ball bearings

Hole center to hole center : Approx 64 mm / 2

End point reminder duration: >=5 seconds

Shipping List

Gyro: 6 axis

DIY Building Kit STEM Educational Engineering Assembly Toy Screwing Blocks Building Construction Toys Creative Fun Gift for Kids Upper Full ball bearingsDIY Building Kit Screwing Blocks Building Construction Toys STEM Educational Toy Made of ABS material, no harm to your kids Age Range:> 3 years old A Productive, Learning Toy That Grows With Your Child. Designed to enhance your children's Science, Technology, Engineering, and Math skills. Give your children a gift that will last, that will be cherished, that will be played with countless times. Improve your kids' imagination and creativity by