Bolt & Brain

Bolt & Brain Smart like a brain, strong like a bolt. Engineering fun, daily!

14/03/2026

Lego Technic Swing Suspension System 😱😱...

14/03/2026

How Twin Radius Tank Steering Works ! Lego Technic😱😱...

12/03/2026

LEGO gera works😱😱...

06/03/2026

Gear Ratio test Gearbox Mechanism 😱😱...

05/03/2026

Gear Ratio test Lego Gearbox Mechanism 😱😱...

04/03/2026

1:3125 Gear Ratio isn't the fastest Visualization Lego Gearbox Mechanism 😱😱...

02/03/2026

Gear Ratio Visualization Lego Gearbox Mechanism 😱😱...

01/03/2026

Lego Gearbox and Clutch Mechanism 😱😱...

27/02/2026

How a differential Lock Works😱😱...

25/02/2026

Jet engine mechanism 😱😱...

23/02/2026

Cemera lens irish window mechanism 😱😱...

22/02/2026

Radial engine mechanism 😱😱...

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