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Order was shipped in a timely manner. Coat fits good and I loved my shirts.
Sep.19.2024
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Sep.19.2024
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The great delivery, and what I order exceed my speciations
May.05.2024
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May.05.2024
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scientific experimental set of hand-shaked generators for student technology to produce small inventions of diy children ' s hand-in-hand puzzle toys
$0.32
Category:
Truck, hydraulic ladder
Rain alarm
Mechanical clamp
A little bit of a robot
Stonestrow
Console detector
Sweeping robot
Shake the fan
Ferris wheel
Run robot
crane
Jeep
Deterrence
Hydraulic mechanical claws
Driving machines
Tank
Hook Roller
Pre-school try to fit one
Print in print
Synthesis and Convergence
Wind power generation
Solar fan
Hot-door test set four
Shuai
Hydraulic loader
Wind Cursor
Hot science manual experiment selection
Dust cleaner
Solar helicopters
Bridge
Balance Bird
Flashlight
Gravity
Make small lights
Solar minivan
Land master mobilizes scientific manual experiments
Rubber band guitar
Handshake generator
Electric Flying Snow
Hydraulic elevator
Telescope
Autodrawer
Mixer 1
Ming Ship
Backstop
The friction experiment
Energy Conversion
Flag up and down
The climber
Gravity minivan
Waterway amphibious model (bottle-ready)
Electro-Scientific Manual Experiment Selection
Simple handshake generators
Dryer
Fibre lamps
Newton
Electromagnetic swing
Electric glider aircraft
Compass
Sound control car
Wheeler
The carousel
A hot lab set
Hydraulic mechanical arm
Crawling robot
Direct current motor
Wandering robots
Birds in cages
A mechanical dog
Double spiral aircraft
Hands on the crane
Hand-to-hand experiments on energy conversion
Hand-to-hand scientific experiment selection
Crawling robots
Manual woodpecker
2 sets of 2 sets
Hand-to-hand experiments in mechanics
Basket dispenser
Always write
Fire extinguishers
Hand pressure pump
2 sets
Make a fan
Handicrafted experiments in electron science
4 sets
Calendar
Spacecraft
Hydraulic excavators
Dust robot 50
A rifle
Pull the wire
Handicrafted experiments in electro-optic science
Red and green
Magnetic panel
Bear generator
Piano ecliptic
Engineering and Mechanical Science Manual Experiment Selection
Attack the city crossbow
Air suspended float
The Sun-terrestrial Three Globe
Horizontal
Elevator elevator
Hot-door test set two
Pre-school try to fit two
ATM
Earthquake alarm
The robot pulls
Experiment - hologram
Cross the line of fire
High group
The safe
Small electric fan
Shit
Triple Gear
Making clocks
Human bones
Money machine
Rubber band power vehicle
Tank 2
Machine claw
Primary
The electric vortex
Small hole imaging
Power station
Balancing robots
Leverage scales
Four-wheeler
Plus minus numeric feet
The ramp bridge
Gaskets
Submarine
Zhang Lai
Low group
Dust cleaner 2
Periscope
Gear transfer
Toss the trash
Magnetic Floating Pen
A hot-end test set of three
Hand-to-hand experiments in marine, air and sea science
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Features
Hand-Crank Generator Science Kit for Kids – DIY Educational STEM Toy
High-quality ABS plastic construction with durable metal cranking mechanism for smooth operation. Perfect for classroom experiments, homeschooling, or DIY science projects to teach renewable energy concepts. Encourages creativity by allowing children to build small inventions like mini lights or motorized toys. Compact and portable design ideal for ages 8+ with easy-to-follow assembly instructions. Wholesale bulk pricing available for schools, STEM programs, and educational retailers. Ships globally with fast delivery – order in bulk for unbeatable wholesale discounts.
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