New 199 Kinds Compound Mode Switch Circuits Electronics Discovery Kit Electronic Building Blocks Assembling Toys for Kids GTSV Charger: 220V AC 50Hz

Charger: 220V AC 50Hz

Preci&sion: 4096

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New 199 Kinds Compound Mode Switch Circuits Electronics Discovery Kit Electronic Building Blocks Assembling Toys for Kids GTSV Charger: 220V AC 50Hz199 kinds of compound mode switch circuit electronic discovery kit electronic building block children's toy assembly Product Description: 1. There are more than 30 components in the working electronic circuit switch circuit, and 199 different electronic projects are created. These components include snap wires, slide switches, alarm circuits, music ICs, and loudspeakers that can be easily stuck together on the attached plastic grid without welding. 2.