Freenove makes a few different Raspberry Pi-powered kits and another one worth considering is the Big Hexapod Robot. Wheels ...
No matter what you intend to do with a Raspberry Pi, you will most likely want to spruce it up with a starter kit that was either bundled with the board or sold separately as a purpose-built kit.
Miuzei Basic Starter Kit - It has all consumable component are often used. Compatible with Arduino and Raspberry Pi, it can almost meet all your needs. (Without Microcontroller Board) Breadboard ...