🚩 World 4 · Rule of 72
The Clockwork Canopy
The Doubling Clock has no calculator, only a dial marked 72. Bellamy insists that's all anyone ever needs.
Lumi
The Doubling Clock has no calculator, no batteries, and one dial marked 72.
The Doubling Clock has no calculator, only a dial marked 72. Bellamy insists that's all anyone ever needs.
Lumi
The Doubling Clock has no calculator, no batteries, and one dial marked 72.
Lumi: Ooh, guess first — guesses make learning stick!