Electric grader – snow cleaning car

Walking robot – type 2

Crazy bounce robot with fan

Snake robot

New style fan with rotation

Air compressor

Bubble making machine

Crazy motor cycle

Remote controlled boat

Robot cart with trolley

RC boat – type 2

Electric rickshaw

Note: These are DIY experiment ideas, You may need to arrange some tools and material at your own. The shown Batteries / components may be different from the material you have in your kit.