Here is my 100% Achievement guide for Hardcube!
In Every big level there are items you can collect, so for Level 1 (All 8 sub levels) There are umbrellas you can collect.
The easiest level to do this on is level 1-4 as there are only two to collect and they are literally on your path so there is no way you can miss them!
Go to 5:15 in my video to see exactly where to get this
Hope This Helps!