Baking-soda volcano with fluted lava slopes
Make a foaming volcano erupt
A science-fair volcano: a crater cup on a tall fluted cone. Put baking soda and a drop of washing-up liquid and food colouring in the crater, pour in vinegar, and the "lava" foams over the rim and runs down the grooves of the slopes.
- Size
- Ø 64 mm, 120 mm tall
- Shape
- Round
- Walls
- 2.0 mm
- Volume
- 438 cm³
- Est. weight (PLA)
- 544 g
- Parts to print
- 1
- Category
- Science & education
- Made by
- Krypto
- Built in
- 10 steps







