12 PCS D Cell Battery Holder for Teaching and Demonstrating Simple Series or Parallel Circuits in Physics Labs (Blue)

This series-parallel D-cell battery holder is sturdy and reliable. It can be used individually or easily snapped together for parallel or series connections. This battery holder is ideal for teaching the basics of electricity and the workings of simple circuits.Specifications:Material: Plastic and metalSize:Length: 80 mm / 3.15"Width: 35 mm / 1.38"Height: 27 mm / 1.06"Color: BluePackaging List:12 × D Battery HolderNotes:1. Small items may include, please store with care.2. Manual measurement, please allow slight errors on size.3. The color may exist slight difference due to different screen displays.

• Material: Made of high quality plastic and metal
• Size: Length: 80 mm / 3.15"; Width: 35 mm / 1.38"; Height: 27 mm / 1.06"
• Easy to use: This plastic D-shaped battery holder can be used alone or quickly and easily snapped together to form parallel or series connections
• Application: Suitable for physics labs and school electronics labs
• Package includes: 12 pcs D Size Battery Case (Batteries are not included)