Figure 4. Sports/entertainment/ludic activities. Figure 6. Bot'n Roll ONE A fully assembled. Figure 5. All of the components to build Bot'n Roll. one line follower, a 16 × 2 LCD, a buzzer, pushbuttons, two LEDs, and an I2C bus, and it is programmed through Arduino Integrated Development Environment [10]. This robot complies with the size restrictions of 104 * IEEE ROBOTICS & AUTOMATION MAGAZINE * MARCH 2022 RoboCupJunior competitions [11], and many teams engage in RoboCup compet i t ions after at tending RoboParty. A fully assembled robot is shown in Figure 6. On the third day there are optional challenges/demos, where each team can put its brilliant work to the test and finetune its performance.