Magic Holiday Trees
After the tissue absorbs the growth fluid, the water evaporates,
When the concentration of the solution exceeds the saturation, crystals will precipitate and grow into a crystalline tree!
The flowers on the tree will begin to bloom in 20 hours!
For children, they have observation records and wait patiently to stimulate their curiosity.
The liquid is an environmentally friendly non-toxic material, without adding any chemical substances,
It is a scientific experiment toy based on physical principles.