مجموعة الأنشطة الإنذار وجرس الباب من فور إم لوجيبلوكس (10 مشاريع)

Build real working gadgets with the 4M Logiblocs Alarms and Door Bell Activity Kit. Create over 10 interactive electronic projects like a doorbell, solar alarm, or fridge alert using color-coded logic blocks. The kit includes 1 power base, 1 button, 1 light sensor, 1 bleeper, and a detailed instruction manual. Powered by 3 x AAA batteries (not included), teaches basic circuits through direct assembly. Suitable for children aged 5 years and above.