Brand: Dolland Colour: As the picture shows Size: Elephant:Length and width of 5 * 7cm error of about 1cm Flower :Length and width of 5 * 5cm error of about 1cm Duck:Length and width of about 5 * 4.5cm error of about 1cm Mermaid:Length and width...

A twist on the classic "elephant toothpaste" experiment, this kit uses yeast instead of iodine to perform the decomposition of hydrogen peroxide, making it safer to perform in the classroom. This fun demonstration causes a jet of foam to erupt...