There is no option to buy the regular straight balsa counters. Also that is the only option for the other counters. This doesn't make sense.
Heirlooms: How to Get & Heirlooms List
Having a Baby in The Sims Mobile [Complete Guide]
Relationships in the Sims Mobile
SimCash: Tips for Farming Simcash
Energy: How to Gain & Boost
Aging and Death