ELEGOO UNO R3 Project Smart Robot Car Kit V4 with UNO R3, Line Tracking Module, Ultrasonic Sensor, IR Remote Control etc. Intelligent and Educational Toy Car Robotic Kit for Arduino Learner :
Ultrasonic Sensor:Hiwonder Robot Sensor Compatible with Arduino
Robot Using an Ultrasonic Sensor | MaxBotix Inc.
Hc-sr04 Ultrasonic Sensor Distance Module For Arduino Uno Mega2560 Nano Robot Xbee Zigbee By Elecright - Sensors - AliExpress
ACEIRMC HC-SR04 Ultrasonic Sensor Distance Module for Nano Robot XBee ZigBee by ElecRight5pcs : Industrial & Scientific
Smart Robot Car Kit Ultrasonic Sensor Line Tracking IR Remote Control For Micro:bit|Programmable Toys| - AliExpress
Hands Robot with Ultrasonic Sensor Stock Photo - Image of robot, servodrivers: 141977124