الوصف

★Build circuits easily with this snap fastener System. ★Electronics has never been so easy for young children. ★Environmentally Friendly, Neither sternums thread nor soft conduct. ★Max ***9 electronic experiments ★Electronics assembly possibilities include: lamps, fans, charger, doorbells, gate circuits, radios, recorder, Karaoke and so on ★Activation possibilities include: Hand generator, solar, magnet, voice, , motor, etc. ★***9 kinds of assembling ways ★Suitable for children 5 years and older