Techcard Technology Power Circuits Door Bell
Item No: BT4820669
U.Price: FOB China ( $ ) Negotiable
Payment: T/T
Delivery Date:15-20 Days After Payment and Sample Confirmation
Update time:
2025/2/10 1:14:12
Description: Investigate simple mechanisms, circuits and electric motors. Construct a sonic door bell and expect everyone to ring before entering. Item dim. 2.5"Lx3.5"Wx3.5"D. 2 1/2" L x 3 1/2" W x 3 1/2" D
Colors: White/Purple
Application: Science, Fun, Household
