Heat Pack - 4 in. x 4 in.
SKU/Product Number#:
SB47058
In Stock
Ships direct from factory. May require extra delivery time.
$8.00
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Grades K-12.
Contains a super saturated solution of water and sodium acetate. Snapping the metal disc creates a chain reaction, causing the solution to crystallize. The crystallization process gives off heat. Packs can be recharged back to the liquid state by immersing in boiling water for 10-15 minutes and allow it to slowly cool. Includes teacher’s guide. 4 in. x 4 in.
| Brand | American Scientific |
|---|---|
| Item Weight | 0.30 lbs |
| Length | 5.00 |
| Width | 4.00 |
| Height | 1.00 |
| Manufacturer | American Scientific Llc |
| Mfg Part No | 3227-02 |
| Age | Infant-All Ages |
| Grade | Preschool-All Levels |
| Prop 65 |
|
| School Type | Elementary School, High School, Middle School |
| Subject Areas | Physical Science |
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