10pcs Premium Alligator Clips for Electrical DIY Test Leads with 5 Colors, Double-Ended Crocodile Clip Roach Clip Test Jumper Wire Connector for Connection, Spring Gator Clips for Circuit Board Power

10PCS Premium Alligator Clips Electrical, 5 Colors Test Leads with Testing Probes, Crocodile Jumper Wires Cable with Alligator Clips for Electrical Testing, Circuit Connection, Electronic Experiments

(100 Pcs) MCIGICM 5mm LED Light Diodes, LED Circuit Assorted Kit for Science Project Experiment (Multi-Colored - 5 Color)

VWEICYY 9V Battery Connector,10 PCS T-Type 9 Volt Buckle Connector Hard Plastic Shell Used in Student Experiment,or Other Equipment with Battery(T-Type, 10PCS)