جزئیات کتاب
فرمت
جلد نرم
صفحات
16
زبان
انگلیسی
منتشر شده
Feb 1, 1998
ناشر
Troll Communications Llc
ISBN-10
0816744653
ISBN-13
9780816744657
توضیحات
Maximum security for your room! Build an electronic door alarm and stop intruders in their tracks. If someone opens your bedroom door, an alarm will sound and a red light will catch them in the act! This kit includes a book and all the parts you'll need to build your own door alarm and discover the wonders of electricity. No tools required.