Brand New 199 Kinds Compound Mode Switch Circuits Electronics Block Kit Electric Educational Assembling Toys for Kids HTRC 3S aeromodel high rate battery

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Brand New 199 Kinds Compound Mode Switch Circuits Electronics Block Kit Electric Educational Assembling Toys for Kids HTRC 3S aeromodel high rate batteryProduct Description Create Working Electronic Circuits Switch Circuits comes with over 30 components to create 199 different electronic projects. The pieces, which include snap wires, slide switches, an alarm circuit, a music integrated circuit, and a speaker, snap together easily on the included plastic grid no soldering required. Each piece is numbered and color coded to make identifying them easy. These components combine to create working circuit