A beginner electronics kit should clearly explain setup, included parts and age guidance. Solar assembly, circuits, soldering and programming are different activities; verify what the kit includes.

A relevant option to compare
Solar Robot Kit for Kids – 6-in-1 & 7-in-1 STEM Toy
This is an assembly-focused solar robot kit with 6-in-1 and 7-in-1 format options; it is not app-programmable.
Shop the Engineering Toys for Kids: STEM Building & Mechanical Kits collection.