E10 Screw Mini Bulbs 1.5V 0.3A Warm White Bulb Light and E10 Mini Bulb Holder Screw Type Bulb Socket Black Plastic Bulb Holder for Student Experiment Lighting DIY Accessories (60) - - Amazon.com
20 Pieces E10 Miniature Screw Base Light Bulbs Replacement E10 Mini Bulb for Physical Electrical Experiment Screw Base Indicator Light Incandescent Bulb (3.8V, 0.3A) - - Amazon.com
Pack of 10 E10 Miniature Screw Base Light Bulbs, 2.5V / 0.3A Bullet Style, Incandescent - - Amazon.com
E10 Screw Mini Bulbs 1.5V 0.3A Warm White Bulb Light and E10 Mini Bulb Holder Screw Type Bulb Socket Black Plastic Bulb Holder for Student Experiment Lighting DIY Accessories (60) - - Amazon.com