Sube was designed and field tested for preschool through 5th grade students,
but that does not mean you can't use it for adult learners. You would need
to adapt it for adults because developmentally they will run through the
curriculum much faster and would no longer meet the one year (minimum)
school curriculum. Also, some games would be too childish and you would
probably choose not to use some. But in essence the strategies and basic
materials are adaptable for adults.

We do not promote it as such because we only sell products  that have been
carefully field tested for each grade and we have not yet developed the
adult version yet.