Here is another crawling robot that you can drive with a Raspberry Pi. The XiaoR Geek Hexapod Robot Kit can perform 18 bionic actions. It is ready for a Raspberry Pi 4B. This robot has face recognition, color recognition, and line tracking functions. It has a 2DOF camera and can be programmed with Python or C++.
This robot features omnidirectional movement. It can be controlled with iOS or Android device. It has ultrasonic sensors for tracking. The XiaoR Geek R1 Hexapod comes with WiFi connectivity. You can find out more here.