Color:

Penguin Clock

Pencil will conduct electricity

Cat and Mouse

Bevel-the motion of an object

High Altitude Bicycle

Flying over Luding Bridge

Bionic mechanical crab

Hand-cranked generator [upgraded version]]

Hand Generator [Deluxe Edition]]

Hand-cranked generator

Wind power generator

Tyrannosaurus Rex

electric four-wheel drive

No bear.

Climbing Monkey

Pulling trolley

Balanced Birds

Double-track Strange Slope

Conventional bamboo knots in bags (send wooden knives and guns)

Regular bamboo man bag (send wood knife gun metal weapon)

Conventional bamboo man storage box (send wooden pistol metal weapons)

Conventional bamboo man storage box (send wooden pistol metal weapon medium PK platform)

Red flag lifting platform

Sundial

"Male" face painting trumpet

"Female" face painting trumpet

Hua Mulan Peking Opera Face Painting Large Size

"Sheng" Peking Opera Face Painting Large Size

Zhang Fei Peking Opera Face Painting Large Size

Cao Cao Peking Opera Face Painting Large Size

Bao Zheng Peking Opera Face Painting Large Size

Guan Yu Peking Opera Face Painting Large Size

Sun Quan Peking Opera Face Painting Large Size

Huang Gai Peking Opera Face Painting Large Size

"Dan" drama face painting large size

"Net" drama face painting large

"End" drama face painting large

"Ugly" play face painting large

Solar powered rover

Wind turbine [new upgrade]]

Pliers

Colorful small table lamp

Magnetic trolley 2

Magnetic levitation permanent pen

Cable gyro

Magnetic trolley

Water wheel

Hooker Roller

Clipper

Big Dipper

Starlight

Walking Lantern

Traffic light

The Stone car

Wind Vane

Basket Shooter

Alternate day and night

Slide projector

Self-made water dispenser

Microscope

Artificial Satellite

Micro wind power

Loom

Safe

Astronomical Telescope

Rubber band power trolley

Sail car

Straight Periscope

Magnetic small aircraft

Periscope

Balance Scale

Level

Balanced Bird (with 2 magnets)

Balance pterosaur

Universal Gravitation

Shaking head fan

Voice-activated street lamp

Cable-stayed bridge

Robot clock

Steelyard

DNA model

Fan M187

Tidal power generation

Wind power generation

Solar Aircraft

Generator

Caterpillar

Charging treasure

Snail

Sea Lion Show

Obstacle avoidance robot KT

Air Cannon

Optical fiber lamp KT

Slide projector KT

Time Tunnel

Suspension train

Tunnel of Light

Wheels well

Fire yao (light simulation is not real)

Windmill Cabin

Mars Transporter

Mars Energy Base

Old-fashioned washing machine

Mars Rover

Siege Ballista

Gear shuttle

Hand-cranked butterfly

Money Detector

Pinhole imaging

Ukulele

Woodpecker

Simple manipulator

Rickshaw

Electric wind vehicle No. 1

Biped Robot

Water pump

Mechanical Ankylosaur

Geosynchronous Satellite

Remote control balancing robot

Remote Control Racing

Man-made rocket

Hydraulic Mechanical arm

Tower crane

Electric tank

Movable Type-Oracle + Modern Text Set

Homemade recorder

Music box recorder

Movable type printing-Chunxiao

Movable type printing-Jiang Xue

Movable type printing-simplified version of the zodiac

Movable type printing-simple version of the quiet night thinking

Movable type printing-modern text

Mobile Typography-Deluxe Edition Quiet Night Thinking

Movable type printing-oracle bone inscriptions

Movable type printing-compassion for farmers

Sweeping robot

Electromagnetic Crane

Aerodynamic vehicle

Beili Bridge No. 1

Crossing the Fire Line

Elephant tee

Electric plotter

Solar Racing 2

Pumping Unit

Electric roller

Power House

Piano Music Box

Wind power generation (ordinary model)

Earthquake alarm

Crocodile forceps

Flashlight

Electromagnetic swing

Series and parallel circuits (Wood)

Space Instrument

Jeep

Mechanical Dog

Sightseeing Cable Car

Air suspension ball

Colorful optical fiber lamp

Angle ruler

Ming Steamship

Wooden barrel robot

Wooden pistol

Running robot

Reptile robot

Newton Pendulum

Homemade Calendar

Rope Climbing Trolley

Tangram

Hovercraft

Seesaw

Human skeleton

Three-ball instrument

Holographic Projection

Amphibious vehicle

Creepy Mouth Monster

Cannon

Tank car

Elevator

Telescope

Movable type printing-Stork Lodge

Vacuum Cleaner

Rubber Band Sailboat

Tensile structure

Compass

Gravity Trolley

Mathematical decomposition ruler addition and subtraction

Hydraulic lifting table

Obstacle avoidance robot

Gear transmission

Homemade small plane

Barometric cattle

Mechanical bionic butterfly

Mechanical Triceratops

Solar fan

Electric Road brake

Fire ladder truck

Walking robot

Shock Absorber

Electric wind boat

Electric wind car 2

Adjusting the Test fan

Rubber band elastic car

Sun-Moon Three-Ball Instrument

Simple glider

Hydraulic Excavator

Graffiti robot

Automatic serving machine

Homemade Steelyard

Homemade Clocks

Hand-cranked music box

Caliper

Balancing robot

Back car

Electric glider

Fighter

Radar detector M223

Duchamp turntable

Air Purifier

Papermaking

Beili Bridge

Spinning Machine

Conductor detector

Peristaltic robot

Hydraulic loader

Voice-activated trolley

Swallow currency robot

Salt water power generation car

Solar Hut

Conveyor

Aircraft carrier paper airplane catapult

Plant Garden

Hand-cranked generator light

Ferris wheel (new)

Electric tank (new)

The Wonderful Window