GEYSER TUBES.
MENTOS SODA = A GIANT GEYSER!
ONLY USE WITH ADULT SUPERVISION! ONLY WORK WITH OUTSIDE!
THIS HOMEMADE ERUPTION COULD GO AS HIGH AS 25 FEET!
THE INCLUDED GEYSER TUBE ALLOWS YOU TO SAFELY LOAD THE MENTO IN THE SODA AND MOVE AWAY BEFORE IT BLOWS!!!
FUN FOR AGES 8