Electricity, an electricity kit for the young child, learn about circuits, switches, conductors, insulators, fuses and work with them. Simple theoretical explanations about voltage, current, amperes, Ohm's law, morse code and more. Build your own light circuits, electric puzzles and electric light bulb. No soldering. Kit is in keeping with elementary school science curriculum.
ترست بايلوت
منذ 5 أيام
منذ شهرين
