Effectiveness of Sunscreen, Kit, Kit Includes: 15ml SPF 15, 15ml SPF 30, 1 Box Microscope Slides, Electromagnetic radiation in the UV range of the spectrum cannot be perceived by the human eye. Using the Neulog* UVB sensor designed to measure UVB radiation.
Electric Paint Pen,used as a liquid wire to draw or print graphical circuits, or even as a conductive adhesive eliminating the need for soldering equipment. also work as a conductive adhesive, providing a safer alternative to using soldering irons, 10ml Pen
Electricity Box, Junior Engineering, has assortment of motors, bulbs, sockets and much more comes in a handy divided utility case, Contains: batteries, battery holders, various bulbs, various sockets, buzzers, motors, switches, and hook-up wire. 117 pcs in total.
Electrochemical Series, Includes:15 Copper Metal Strips, 15 Zinc Metal Strips, 15 Magnesium Metal Strips, 15 Iron Metal Strips, 15 Aluminum Metal Strips, 75 Filter Paper Strips
Electrochemical Series Kit, Includes: Copper metal strips, Aluminum metal strips, Magnesium metal strips, ea EZ-Prep, Iron metal strips, Zinc metal strips, Filter paper strips, Copper sulfate, Aluminum sulfate, Magnesium sulfate, Iron sulfate, Zinc sulfate