logic puzzle game for children and adults. can you find 10 blocks hidden in the picture that match the example? develop spatial

puzzle vector spy game spatial thinking activity illusion adult attentiveness find ten flat block brain brainteaser optical same search smartest correct corresponding cube education educational entertainment example geometric geometrical geometry psychedelic spiral illustration jigsaw kids logical match maze online page picture playing preschool printable quiz riddle children visual logic for adults blocks hidden that example? develop thinking task attentiveness teaser book