Does anyone else fantasize about leaving thier children an envelope with a seed phrase scavenger hunt puzzle in the will instead of money

In old times you didnt divide your wealth amongst all your children, you gave it all to first born male to help propogate your name and dna. I have 2 girls and a boy all under 5 years old,. I think MAYBE the smartest should succeed.. I have 2 very smart girls but frankly the boy .... He would have to beat all odds like nick cage in national treasure