Description:

Vividly demonstrates the submarine's ups and downs principle and helps students understand the practical application of Archimedes' law.
Uses the middle space of the submarine as the air chamber, which can visually demonstrate the submersible drainage and exhaust conditions.
Teaching demonstration, which promotes students' understanding and increases classroom fu.
Enable students to master the laws of buoyancy,good for school teaching tool, learning display.
Made of lightweight materials, High temperature, protected from moisture and treated with anti-corrosion.

Specification:

Material: Plastic
Length: 23cm / 9.06inch
Diameter: 10cm / 3.94inch
Ages 7 and up

Package Includes:

1pc Submarine Ups and Downs Principle Demonstrator