Kelvin:  Harriess, let's see who can complete the program for the lifting crane first . .

Harriess:  Wait a minute❗ I haven't ready yet . . Something came off suddenly.

Ben:  Doing my test today . .

Ye Zhe:  I need to re-position this electric motor to the middle of the creation ..

Zhang Quan:  My colour-changing dinosaur and beetle

Zhang Quan:  🤪Dance party

Pavithran:  Calibrating left and right turning . . . 

Pavithran:  Test drive

Zhang Quan:  Ready to test it . .

2 meters distance📏 challenge

Kelvin:  Who wants to help me to do the setup ?

Kelvin:  I can make it better next time . .

Harriess:  Fortunately, none of the parts is broken😂

🤩🤩