For little explorers who are ready for the next challenge, there is the "Advanced Shape Set". This set expands the horizons of learning by introducing more complex shapes where it helps stimulate fine motor skills and eye-hand coordination.
If you'd rather opt for a simpler option check out the "Basic Shape Set". Both sets are compatible with each other.
https://www.printables.com/cs/model/742344-children-fine-motor-skills-toy-basic-shape-set
The author marked this model as their own original creation.