This is a cute half-size breadboard, good for small projects. It's 2.2" x 3.4" (5.5 cm x 8.5 cm) with a standard double-strip in the middle and two power rails on both sides. You can pull the power rails off easily to make the breadboard as thin as 1.4"...

40PCS Dupont Wire Color Jumper Cableï¼ÂŒ2.54mm Female to Female For Arduino