5pack 9v Battery Clips with Bare Leads by Corpco

Mosuch Battery Holder for (8) AA with Standard Snap Connector : BH383 (1)

(Pack of 200 Pieces) McIgIcM 2N2222 Transistor, 2N2222 to-92 Transistor NPN 40V 600mA 300MHz 625mW Through Hole 2N2222A

Cylewet 5Pcs SFM-27 DC 3-24V Electronic Buzzer Alarm Sounder Continuous Sound Intermittent Beep (Pack of 5) CYT1083

GBSTORE 2 Pcs DC 9-15V Active Piezo Electronic Buzzer Alarm

Philmore Battery Holder for (4) AA with Standard Snap Connector : BH341

NTE Electronics 2N2222A Silicon NPN Transistor for Small Signal General Purpose Switching, 800 mA, 50V (Pack of 2)

Estone Waterproof Plastic Electronic Project Box Enclosure Case 3.94" x 2.68" x 1.97"

2pc. Metal 9-Volt Battery Clips

2 Pcs 9V Battery Holder with On Off Switch Cap Lead Wires (for 9V Batery)