Material preparation: pure water, cocoa powder, coffee, baking soda powder, brown sugar, a glass bottle, etc.

1, prepare all the ingredients for making cola: baking soda, coffee, brown sugar and cocoa powder.

2. Add a proper amount of brown sugar into a glass bottle filled with purified water, and it is not advisable to overdo it.

3. Put a proper amount of coffee powder into a glass container, as shown in the figure.

4. As shown in the figure, add a proper amount of chocolate powder into the glass container filled with coffee powder.

5. Then add baking soda powder to the glass bottle.

6. Finally, fill the glass bottle with pure water and shake it vigorously to make all the beverage materials dissolve evenly. At this time, the homemade cola is made. Pay attention to opening the bottle cap slowly to avoid a large number of bubbles gushing out.