200 Items in 1 kit/6 high speed dc motor 14000 rpm/4 cylindrical dc motor 7000 rpm/150 pcs resistors kit (30 types resistors 5 pcs each)/fan/50 mm pulley wheel (shaft hole diameter 1.90mm/tight with 2mm shaft) 2 pcs /100 mm pulley wheel screw with screw (adjustable)/13mm black small pulley 4 pcs/4 pulley gear belt/6 rocker switch and 6 leds/buzzer/1 meter ribbon wire/3 meter wire/4 clips/9v battery with snap 3pcs
M**.
Nice review
Nice product with science kit project two powerful motor are very nice DC 6 motor are ok
Trustpilot
2 weeks ago
2 months ago
