The online names of Crayon Shin-chan sand sculptures include: Crayon Shin-chan Tumble Bar, Crayon Shin-chan Play with a Big Sword, etc.

1. Crayon Shin-chan Tumbling Bar: This online name combines the elements of "Crayon Shin-chan" and "Tumbling Bar", showing a lively and interesting style.

2. Crayon Shin-chan: This online name combines the elements of "Crayon Shin-chan" and "Crayon Shin-chan", showing a humorous and funny style.