10 pcs LOT - DUAL LED LIGHT FLASHER unbuilt electronic science model project kit

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EICOCRAFT Radio Electronic Co ESP Tester vintage UNBUILT transistor DIY Eico kit

SPACE WAR GUN vintage electronic project UNBUILT science toy SOUND EFFECTS kit

POT SHOT vintage EKI electronic project UNBUILT science skill toy kit set NOS

Electronic BIG EAR bionic spy toy microphone amplifier unbuilt science model KIT

REACTION - PARTY GAME QUIZ TIMER 4 person unbuilt DIY electronic science KIT set