Rustark 10 Pcs Series or Parallel D Battery Holder Set, Plastic D-Cell Battery Holder, Physical Science Battery Holder, Labs Basic Beginner Circuit Kit

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【What You Get】 Each package contains 10 pcs D-Cell battery holder. In addition, offer reliable after-sale service, pls feel fee contact us for any dissatisfaction; We will reply you within 12 hour for your satisfaction. 【Tough material】 Made of high-quality materials, high strength, good toughness, not easy to crack. Screw down connection terminal are heavy duty, which make sure electrical connection security. The battery is fixed by a stainless steel spring. It is very convenient to install and replace the battery. Safe to use. 【Easy to Use】Screw type binding post for removal an installation of connect wires quickly.They not only can be used individually or configured in parallel, but also can be easily snapped together to form either parallel or series connections. 【Great Gift】The electrical circuit experiment kit is great gift for those who learn the science electronic by building different kinds of model, improving their hands-on ability, thinking ability, creativity, and awareness of electricity. The kit is lightweight for carrying easily, which you can bring the whole set outside to play with friends. 【Widely Application】Widely application on DIY and various DC equipment. Not only suitable for electronics, bread board power supply, LED lighting power supply, low voltage electrical equipment, remote control, radio, quartz clock, ect, but also work great for lab, technology and design course for building all kinds of projects, such as Series Circuits, Parallel Circuits, Oster Experiment, Ohm’s Law, etc.