ITEM NAME:7 Pieces ZY-55 Mini Solderless Breadboard PCB Board Free Solder Test Board Description: - Holes: 55 holes - Layers: Single - Insulation Material: Plastic (ABS) - Insulation layer thickness: General - Reinforcing material: composite base Specification: - Can be recycled, recycling - Color clear structure, easy to use - Bread plate can be fixed unit assembly - Uses: experiments, testing, robotics, and mini bread board backplane with better results. - Size: Approx. 2x1.5x1.2cm / 0.79x0.59x0.47inch - Material: ABS Plastic Package Included: 1 Piece of Red bread board 1 Piece of White bread board 1 Piece of Black bread board 1 Piece of Blue bread board 1 Piece of Green bread board 1 Piece of Light green bread board 1 Piece of Orange bread board.Holes: 55 holes. 1 Piece of Red bread board. 1 Piece of White bread board. 1 Piece of Black bread board. 1 Piece of Blue bread board. 1 Piece of Green bread board. 1 Piece of Light green bread board.