Guidecraft Better Builders 30 - Piece Magnetic Ball and Rod Construction Set, STEM Educational Building Toy
With strong magnetic force, unique rod and ball configurations and a myriad design possibilities, better builders are a wonderfully inventive way to help children discover principles of science, construction, and engineering (STEM) while developing their creativity. Includes handy storage bin and deluxe 13-page activity guide which explores magnet science and provides building G8300 examples for all ages.
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