microtivity IS131 7-Segment LED Display, 1 Digit Blue Common Cathode (Pack of 4)

microtivity IS132 7-Segment LED Display, 1 Digit Blue Common Anode (Pack of 4)

microtivity IS111 7-Segment LED Display, 1 Digit Red Common Cathode (Pack of 4)

ELEGOO 3pcs MB-102 Breadboard 830 Point Solderless Prototype PCB Board Kit for Arduino Proto Shield Distribution Connecting Blocks

(Pack of 25 Pieces) MCIGICM 74HC595 74595 SN74HC595N 8-Bit Shift Register DIP-16 IC 74hc595 Shift registers

uxcell a13071500ux0900 Common Cathode 10-Pin 1 Bit 7 Segment 0.56" Red LED Display Digital Tube (Pack of 10)

Texas Instruments NE555P IC Single Precision Timer (Pack of 12)

Double Row Dip Switch Assorted Kit in Box 1 2 3 4 6 8 10 12 Position 2.54mm PCB Mountable On Off Dip DIL Switch, Pack of 40pcs Slide Type Red Toggle Switch for Circuit, Breadboards, and Arduino

10pcs Plastic Metal Common Anode 1 Bit 7 Segment Red LED Display Digital Tube

microtivity IS112 7-Segment LED Display, 1 Digit Red Common Anode (Pack of 4)

4PCS Breadboards Kit Include 2PCS 830 Point 2PCS 400 Point Solderless Breadboards for Arduino Proto Shield Distribution Connecting Blocks