Descrizione
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.
Dettagli del libro
Formato
Brossura
Pagine
16 pagine
Lingua
Inglese
Pubblicato
feb 1, 1998
Editore
Troll Communications Llc
ISBN-10
0816744653
ISBN-13
9780816744657