Capacitance Substitution Box, Capacitor Box, Using 1 Rotary Dial With 12 Steps. Various Capacitors Are Selected One By One. Useful For General Purpose Electronic Work. The Unit Has An Easily Selectable Range Of 12 Preferred Capacitors From 100 Pf To 1 Mfd
Healthy Plants Kit, Contains: 30 Plastic cups(5/7oz), 60 Bean seeds, 30 wicks, 1bag Soil/Vermiculite, Nutrient Powder, Acid Rain Solution, Designed for older elementary students to help them examine/understand the needs of plants for growth and survival, For grades 3-5
Chemical detection of fingerprints, Utilize alternative methods for detecting fingerprints. Examine some possible methods of gathering evidence when dusting for fingerprints is not effective.