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青华科教仪器有限公司
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Christmas Tree Homemade fortune Tree Snowflake Tree Science Small Experiment Props Simulation
CN ¥ 1.4
homemade air cannon diy handmade scientific research small invention children‘s creative development material package
CN ¥ 3
DIY Handheld Small Fan Simple Assembly Technology Small Production Science and Education Material Package Research Toys
CN ¥ 1.6
Hourglass Children‘s Primary School Science Experiment Material Package Science and Education Experiment Educational Toys
CN ¥ 3.2
long and short magic cat technology small production teaching creative small toys
CN ¥ 1
Color-Changing Violet Anthocyanins Acid-Base Cognitive Technology Small Production Physical Science Small Experiment
CN ¥ 3.5
diy magic piggy bank disappearing gold coin technology physics small knowledge mirror principle small experiment
CN ¥ 3
DIY Scientific and Educational Material Package for Homemade Fire Extinguisher， Handmade Creative Production
CN ¥ 3.8
new edition of disappearing word technology small production diy homemade starch and iodine scientific fun small experiment
CN ¥ 3.5
floating elf diy handmade technology small production physical experiment interesting puzzle toys
CN ¥ 3
rain alarm salt water experiment conductive test small production small invention primary school junior high school curriculum science and education simulation
CN ¥ 6
Woodpecker Potential Energy Function Interesting Small Production Twin Birds Matching Full of Fun
CN ¥ 3.3
tree climbing panda diy material package free creative small invention friction learning elementary school extracurricular science and education production
CN ¥ 2.5
DIY Electromagnet Technology Small Production Primary School Junior High School Physics Science Small Experiment
CN ¥ 3.3
suspended flying saucer can fly out of the flying saucer version children‘s homemade diy technology making small toys
CN ¥ 4.5
cable trolley gear drive movable car children primary school science and education small production
CN ¥ 2.5
new diy tumbler children‘s handmade small toys small items science and education small knowledge popularization
CN ¥ 1.45
principle of physical center of gravity of tumbling capsules scientific small experiment small invention children‘s handmade creative production
CN ¥ 2.8
Distorting Mirror Concave-Convex Face Mirror Creative DIY Handmade Small Object Science and Education Small Experiment Small Invention
CN ¥ 2.5
DIY Magnetic Odd Plate Primary School Magnet Just expand Small Production Science and Education Magnetic Material Package Small Toys
CN ¥ 3
ancient timer science and technology small production innovation diy small invention material package
CN ¥ 4.3
pure long copper strip zinc strip fruit battery material package science and education diy fruit power generation small production
CN ¥ 0.4
Principle of Thermal Expansion and Cold Contraction Small Production Physical Science Equipment Wonderful Gas Small Production
CN ¥ 3.5
Paper Slide Projector Small Production DIY Children‘s Palace Primary School Science and Education Handmade Material Kit
CN ¥ 4.5
small chemical rocket technology small production creative science and technology festival competition small invention science and education toys
CN ¥ 4.5
Newton Pendulum DIY Technology Five Balls Making Newton Pendulum Science and Education Energy Conservation Law
CN ¥ 5.8
diy self-made projector science and education experimental teaching aids for primary and secondary school students small invention circuit cognitive knowledge
CN ¥ 4
bubble Water Make the Formulation Development and Learning of Bubble Blowing Materials for Children‘s Science and Education Experiments
CN ¥ 5
graffiti robot manual diy technology small production technology material package small course
CN ¥ 4.8
Self-Made Dog Year Assembly Small Clock Students Free DIY Toy Material Package
CN ¥ 6
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