This is a cute, half-size breadboard with 400 tie points, good for small projects. It's 3.25 x 2.2 / 8.3cm x 5.5cm with a standard double-strip in
White Breadboard 400 Tie-Points 4 Power Rails ABB400 – Addicore
Half Sized Premium Breadboard - 400 Tie Points : ID 64 : $4.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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Adafruit Perma-Proto Quarter-sized Breadboard PCB - 3 Pack! : ID 589 : Adafruit Industries, Unique & fun DIY electronics and kits
400 tie points total: 300 tie-point IC-circuit area plus two 50 tie-point distribution strips providing 4 power rails. White ABS plastic body with
BB400 Solderless Plug-in BreadBoard, 400 tie-Points, 4 Power Rails, 3.3 x 2.2 x 0.3in (84 x 55 x 9mm)
Breadboard 400 Tie Point Interlocking Solderless Philippines
Full Sized Premium Breadboard - 830 Tie Points : ID 239 : Adafruit Industries, Unique & fun DIY electronics and kits
Other Breadboard Sizes, Breadboards for Beginners
400 Tie Point Interlocking Solderless Breadboard - DFRobot