Create four kinds of intruder alarms with voice warnings, Design pressure-activated security mats, metal detectors and lie detectors, Record your own secret messages and play them back automatically, Set includes 10 electronic blocks, one jack plug, two pressure mat cards and an Inventor's Manual, Introduces Kids to electronics and computer science in a creative and fun way!
TrustPilot
2 месяца назад
1 месяц назад
