4 Educational Games Scientific Experiment Children\\\\\\\'

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Description:

Thermal Expansion Experiment Tool Kit

Design to prove the effect of Thermal expansion and contraction

Great physical teaching aids for teacher

Material: and Metal

Length: 16 cm/ 6.3 inch

Color: Random

Specification:

1. Let the steel ball pass through the several times to show that the steel ball can pass through the at normal temperature;

2. Heat the steel ball for 3-5 minutes, and then pass the steel ball through the . At this time, the steel ball expands due to heat, so it cannot pass through the ;

3. Let the steel naturally, and the steel ball can pass through the

Package Includes:

1 x Physical Teaching Aids(4 Pack)

Note:

Due to the manual measurement, please allow 1-2mm differences in size.

Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand

Physical Teaching Aids; ;School Teaching Tool;Thermal Expansion Experiment ;Kids Educational Toy;Experiment Instrument