Cart Remove item Thumbnail image Product Price Quantity Subtotal × Design And Construction Of A Clap Activated Switch Using 555 Timer And Cd 4017 ₦ 5,000.00 Design And Construction Of A Clap Activated Switch Using 555 Timer And Cd 4017 quantity ₦ 5,000.00 Update cart Cart totals Subtotal ₦ 5,000.00 Total ₦ 5,000.00 Proceed to checkout