science and technology small production stem science small production primary school students handmade science experiment wholesale children's toy material package

2 piece

Specifications

double track slope s	CN¥ 3.08
multi-sided mirror s	CN¥ 2.84
water and atmospheric pressure s	CN¥ 2.57
self-made level s	CN¥ 4.04
waterwheel s	CN¥ 4.22
cable paddle steamer s	CN¥ 5.59
magnetic magic lamp	CN¥ 4.45
solar fan new s	CN¥ 8.1
electric cage bird s	CN¥ 4.68
solar fan s	CN¥ 9.01
simple three-ball instrument s	CN¥ 9.7
wire maze s	CN¥ 9.01
homemade speaker s	CN¥ 6.61
full track tank s	CN¥ 8.56
rack truck s	CN¥ 5.14
pressurized water well s	CN¥ 4.0
colorful table lamp s	CN¥ 4.22
electric fan s	CN¥ 6.61
air-powered car s	CN¥ 7.87
wheelbarrow s	CN¥ 4.45
hand-cranking bubble machine s	CN¥ 6.73
amphibious paddle steamer s	CN¥ 4.22
colorful optical fiber lamp s	CN¥ 5.47
electric vortex s	CN¥ 7.87
pythagorean theorem s	CN¥ 6.28
salt water power generation fan s	CN¥ 5.14
mixer s	CN¥ 5.93
mechanical pendulum s	CN¥ 5.14
walking robot s	CN¥ 6.58
electric train s	CN¥ 11.29
newton's cradle s	CN¥ 9.12
inflatable floating ball s	CN¥ 7.07
series and parallel circuits s	CN¥ 8.56
graffiti robot s	CN¥ 6.73
electric flying chair s	CN¥ 7.42
automatic serve machine s	CN¥ 5.14
rocket launcher s	CN¥ 6.5
solar wind car s	CN¥ 5.14
unbreakable ball s	CN¥ 3.31
magdeburg hemispheres s	CN¥ 4.0
paddle steamer m	CN¥ 4.79
wind car s	CN¥ 7.87
recoil trolley s	CN¥ 5.36
rubber band warrior car s	CN¥ 7.87
static flying snow s	CN¥ 4.56
homemade panpipe	CN¥ 4.79
magnetic car s	CN¥ 5.59
telegraph transmitter s	CN¥ 7.75
double-headed street lamp s	CN¥ 5.53
traffic light s	CN¥ 5.14