1. Rotate the wooden board to observe the difference between the feather and the iron ball. 2. Drop the golden ball, silver ball, piano, and car in the sky-themed map. 3. Drop the golden ball, silver ball, piano, and car in the space-themed map. 4. Check the table to compare the vacuum differences between the sky map and the space map.
| comfort | ⦾ Comfortable |
| age rating | 0+ Everyone |
| storage | 0.3 GB |
| website | training.contentsda.kr |
| developer | ContentsDaInc |
| publisher | ContentsDA Inc. |
| connection | Internet not required |
| app version | 1.0 |
| languages |
English
|