Color:

Robots.

Robot Painter

Traffic light toys

Air Cushion spacecraft

Air pressure lifting table

Zipper boat

Table lamp

Flag-raising platform

Double Drive Wind Power Trolley

Homemade vacuum cleaner

Water Sprite

Kaleidoscope

Volcanic eruption

Meteor shower

Milk animation

Balanced Birds

Balance car

Solar fan

Hand bubble machine

Homemade fire extinguisher

Electrostatic snow

Self-loading manipulator

Magnetic trolley

The magic of blowing balloons

Submarine magma

Colorful soil

Color moving.

Autobiographical coaster

Electric control gate

Rainbow Windmill

Planetary Collision (Newton Pendulum)

Troy stone-throwing chariot

Homemade earthquake alarm

Electric lift

Shift pull car

Energy Conversion

Simulated wind power generation

DIY electric serving machine

Current maze

Dual energy street lamp

Brine power generation

Lunar Rover

Air suspension (ball blowing machine)

Circuit Experiment

Ground Sun and Moon instrument

diy dryer

Magnetic levitation

Drill wood for fire

Electromagnetic engine