science experiment set toy elementary school student science and technology small production handmade diy classroom ingredients children's puzzle

1 piece

Specifications

magnetic car	CN¥ 4.96
magnetic levitation	CN¥ 6.74
magnetic levitation pen	CN¥ 6.74
salvaging a sunken ship	CN¥ 5.24
electric heating cutter	CN¥ 6.36
recoil cart	CN¥ 4.68
wind power generation	CN¥ 10.1
wind direction	CN¥ 4.68
crossfire	CN¥ 11.98
wind-powered car	CN¥ 8.14
thermal expansion and contraction of solids	CN¥ 3.65
traffic light	CN¥ 7.57
pulley dynamometer	CN¥ 7.01
the singing rubber band	CN¥ 4.49
volcanic eruption	CN¥ 4.86
robotic arm	CN¥ 4.77
simple fan	CN¥ 6.08
simple water purifier	CN¥ 5.43
dinosaur fossil	CN¥ 6.74
connected vessels	CN¥ 9.16
well with a well wheel	CN¥ 5.51
magdeburg hemispheres	CN¥ 7.3
friction and mechanical advantage	CN¥ 6.45
homemade panpipe	CN¥ 4.21
colorful music bottle	CN¥ 5.43
balloon helicopter	CN¥ 2.71
the thermal expansion and contraction of gases	CN¥ 3.93
submarine	CN¥ 4.59
periscope	CN¥ 8.04
human skeleton	CN¥ 3.55
cognitive solar	CN¥ 8.23
sundial	CN¥ 6.36
lifting platform	CN¥ 12.63
amphibious vehicle	CN¥ 8.04
water compass	CN¥ 3.28
the altitude of the sun	CN¥ 5.32
balance scale	CN¥ 8.04
leap frog	CN¥ 3.65
table lamp	CN¥ 5.7
a ball that can’t be blown open	CN¥ 6.74
the light bulb lit up.	CN¥ 5.15
earthquake alarm apparatus	CN¥ 10.1
homemade clock	CN¥ 4.59
homemade hourglass	CN¥ 3.65
homemade chiaroscuro lamp	CN¥ 6.08
homemade motor	CN¥ 12.63
steamboat	CN¥ 5.05
balance	CN¥ 4.86
the cause of lunar phases	CN¥ 6.08
the little frog has grown up.	CN¥ 4.21