Battery Holder Board Excellent Teaching Aid: An outstanding

Excellent Teaching Aid: An outstanding teaching aid for anatomy classes in medical schools

making it an indispensable reagent

Each whole square measures 10cm in diameter

Media chamber is easily removable without the need for a tool

and researchers who are interested in studying soil composition and characteristics

Battery Holder Board Excellent Teaching Aid: An outstandingBattery Holder Board. 4 battery holders mounted on yellow plastic board, can output 4 level DC voltage 1. 5V, 3V, 4. 5V, 6V. Premium Quality: Battery Holder Board is made of high grade construction all the way through, excellent build quality and proven reliability across the range. Designed for use in professional laboratories but is an ideal choice for science classrooms and household use. If you need custom order with different sizes design, please