Experiment Kit - Secret Message

With the experiment kit "Secret Message", the child will immerse themselves in the world of codes and secret messages! The young chemist will learn to create secret messages that only appear under ultraviolet light.Features of the kitThe kit contains the... essential components for conducting 8 exciting and educational experiments. Additional ingredients can be found at home.
Each experiment is accompanied by instructions with a detailed description of each step.
List of experimentsCopper sulphate.
Sodium bicarbonate.
High temperature.
Citric acid.
Spy pen.
Copper sulphate and alcohol.
Milk ink.
Washing powder with bleach.
Additionally
Sodium bicarbonate - 9 g.
Citric acid - 9 g.
Copper sulphate - 14 g.
Spoon: 9.5 × 2.2 cm.
Instructions.