Never buy another D battery again with this handy AA to D battery converter! Just place two AA batteries plus side down in the plastic casing, and the unit will operate at the same voltage output (1.5V) as one D battery. Great to have around the home, office, or lab. Measures 2.25" x 1.25" x 1.15".
Head into the lab for an in-depth investigation of genetics and DNA!
Learn about hydrogen fuel cells with this incredible kit!
This high precision gyroscope will amaze you with rotational speed and ease of precision.
Shake the Pet Tornado clockwise and watch the mini tornado funnel form before your eyes!
Discover a world of kaleidoscopic effects within this perfectly clear prism of the Light Crystal!
This is a great clean heat demonstration model for the classroom setting!
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