Replacement crystal board, Crystal: Ge Wafer, P type, Resistivity : 1 approx 10 ohm-cm, Crystal Size : 6x7 x 0.5mm (LxWxThickness), Orientation : <100>, Offset pot : Trim pot, Connection : 4mm safety socket, with adjusted Z pot, for Hall Effect SK006
Magnetizer Box - Bar Magnet, 110/120V AC, 60Hz, Revitalizes iron, nickel, cobalt, and alnico horseshoe and bar magnets in seconds. Simply place magnets in the 25x25 mm holes and press the button to make old magnets new again
Automobile Engineer, With durable storage case and illustrated storybook, Dimensions: 14.7 x 6.3 x 9.4, can build models of the 10 vehicles in the story. Large, colorful plastic building pieces make it easy for small hands to put the models together
Snap Circuits * Motion, contains over 50 parts and over 165 projects to complete, hands-on education, Experiments include: Color changing lighted fan, Air fountain, Motion Detector, Master Dimension(LxWxH): 21.5 x 14.25 x 19.25 inch, Master Weight: 22lbs
DR MED* 19in Laparoscopic Forceps - 360 deg Rotation, 19in in length. Near the handle, knob that to provide complete control, The ends of the forceps are made of 100% stainles steel
Kit Lead An Element Of Danger Single, Contains: Student instructions, Santiagos blood sample, Lead Test Paper, Blood Lead Concentration Color Chart, Simulated samples of dust, water, soil, and pottery, 4 labeled droppers, 4 Lead Test Swabs, Lead Test Sheet
Electrophorus - Demonstration, Comprises a thick plastic base with four rubber feet alongwith with 18 cm diameter aluminium plate with an insulating handle. Produce a strong spark repeatedly, without recharging. 18 cm diameter aluminum plate