When you lie or flutter, your hands become moist with sweat. This kit detects the slight change of electric resistance at this situation by the analog meter.

This electronic dice uses seven light emission diodes to show the rolled number. Press the start button and the number of the dice changes with electric sound. After a while, it stops at one number.

Can be used to connect USB-DAC module PS-3249R and either TU-8100 and TU-8200.

Magnesium sheet set for JS-7900MG MAGNESIUM FUEL CELL CAR and JS-7902 AQUA SPIDER.

Experience the new energy with this magnesium fuel cell car! The power to operate this car is generated by magnesium, oxygen and salt water. The kit includes 3pcs of magnesium sheets as a fuel cell. It runs approx. 15 minutes by one time o…

The SCROLLER II smoothly moves forward ceaselessly and gets right itself up to its original position on its own after tumbling over. This simple and well-designed kit with a few parts to assemble and no need of soldering is not only a lot …