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.
Having a Baby in The Sims Mobile [Complete Guide]
LlamaZoom: Tips and Tricks
The Sims Mobile Hobby
How to Get the Honeymoon Suite Collection
Relationships in the Sims Mobile
Heirlooms: How to Get & Heirlooms List