6pcs Series or Parallel D Battery Holder:Used for Physics Laboratory,School Electronic Experimenting,Great for Demos Teaching Basic Principles of Electricity & How a Simple Circuit Works
XFFCSEC-D Battery Holder that it teaches the concepts of basic electricity in a way that is clear, concise, and very easy to understand.Provides a solid foundation of basic electric principles. I think practicing on an education model would definitely benefit any student.
of course that while this does teach them how electricity works, you have to make sure to teach them not to play with actual electrical equipment around the house.
Battery Holde provides stability in handling and visualization of electrical principles, screw type binding post ,screw down connection terminals are heavy duty,for secure electrical connection.
screw type binding post,If you use alligator clips you might want to temporarily remove the connector knobs.
These durable individual plastic d-cell battery holders can be quickly and easily snapped together to form either parallel or series connections. They can be used individually or configured in parallel.
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