Geyser Tube

Spectacular eruptions that's what every child wants out of a science toy and that is what this delivers comfort parents the eruption is harmless soda but perhaps messy This is an induced chemical reaction Mentos chewy mints react explosively with the carbon dioxide gas dissolved in the soda water. the explosion is directed upwards by the tube Of course you can use coke or other carbonated drinks too but it makes it VERY messy Exactly what kids love. Popular science. Package is 26cm x 14 product is 17cm x 2.