Simple! Find the pure white color blocks. It is very hard, you hard to see which one is true white color.
Bubbl
Beaut
Impos
He-ma
Click
Funny
Engli
Futur
Cycle
Woode
Save
Chris
Bts P
Puzzl
Candy
Squid
Peuge
Neon
Pixel
Poker
Donut
The C
Sea W
Hopsc
Fish
Smash
Funny
Squid
Bottl
Scary
Warzo
Sweet
Block