The shit. Dumb.

Back to the sheet Body Care Toothbrush · D11
Arm & Hammer Spinbrush
D11 · Level 1 · Electric, no logic An electric rock

Arm & Hammer Spinbrush

Arm & Hammer Spinbrush Pro Clean battery toothbrush.

$23Buy on Amazon
Amazon US, October 2026. Prices change.

A small motor, a switch and AA batteries. No timer, no app, no Bluetooth. It buzzes until you stop it.

Off-grid
Runs on battery, crank or solar, so it survives a power cut.

Where to buy

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Survival checklist

What it survives, next to the smart one it replaces.
1
=SURVIVES(threat)Survives…
ThisArm & Hammer Spinbrush
What it replacesSmart oneOral-B iO Series 9
2
Power cut
TRUE
FALSE
3
Wi-Fi goes down
TRUE
TRUE
4
The company switches off its servers
TRUE
#DEPENDS
5
Someone tries to hack it
TRUE
#DEPENDS
6
A firmware update goes wrong
TRUE
FALSE
7
Twenty years from now
#DEPENDS
#DEPENDS
8
=COUNTIF(TRUE)Total
5 of 65/6and one maybe
1 of 61/6and three maybes

The smart one is the Oral-B iO Series 9.

Row 11

See it in the sheetIn the sheet
You are here

A motor and a couple of AAs. Buzzes without judging.

Arm & Hammer Spinbrush

$23
Off-grid
Arm & Hammer Spinbrush$23
Buy on Amazon