Component	Number	Cost per unit -currency	Total cost - currency	Source of materials	Material type
Tower Pro MG-995 Servo	2 pcs	$4.99 USD	$9.98 USD	https://www.amazon.com/-/es/KAILEDI-Motors-Walking-Control-Arduino/dp/B083DZ88R6/ref=sr_1_2?__mk_es_US=%C3%85M%C3%85%C5%BD%C3%95%C3%91&crid=1WFS54RUM9TCG&dchild=1&keywords=servo+motor+mg995&qid=1591495062&sprefix=servo+motors+mg99%2Caps%2C210&sr=8–2	Electronic
PLA 3D Printing Filament	4.163 g	$24.99 USD	$1.034 USD	https://www.amazon.com/-/es/SUNLU-Filament-Printer-Printers-LightGold/dp/B07X54WLHX/ref=sr_1_12?__mk_es_US=%C3%85M%C3%85%C5%BD%C3%95%C3%91&crid=JW4POYB4QP3Y&dchild=1&keywords=pla+filament&qid=1591588087&sprefix=pla+%2Caps%2C217&sr=8–12	Polymer
ESP32 Microcontroller	1 pc	$10.99 USD	$10.99 USD	https://www.amazon.com/HiLetgo-ESP-WROOM-32-Development-Microcontroller-Integrated/dp/B0718T232Z/ref=sr_1_1_sspa?__mk_es_US=%C3%85M%C3%85%C5%BD%C3%95%C3%91&dchild=1&keywords=esp32&qid=1591495666&sr=8–1-spons&psc=1&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUExUE1KN1Y0SU1TSU5HJmVuY3J5cHRlZElkPUExMDM1NzMxV1VWV1ZZREc5TklVJmVuY3J5cHRlZEFkSWQ9QTAyMDg0MzEyTzNRU1ZWVFJUQTFOJndpZGdldE5hbWU9c3BfYXRmJmFjdGlvbj1jbGlja1JlZGlyZWN0JmRvTm90TG9nQ2xpY2s9dHJ1ZQ==	Electronic
Battery pack 4 AA	1 pc	$5.99 USD	$5.99 USD	https://www.amazon.com/Velleman-BH343B-Battery-AA-Cell-Terminals/dp/B00A41MZ62/ref=sr_1_37?dchild=1&keywords=4+aa+battery+pack&qid=1591565808&sr=8–37	Electronic
Jumper wires	10 pcs	$5.79 USD	$0.4825 USD	https://www.amazon.com/-/es/EDGELEC-Breadboard-Optional-Assorted-Multicolored/dp/B07GD2BWPY/ref=sr_1_3?__mk_es_US=%C3%85M%C3%85%C5%BD%C3%95%C3%91&dchild=1&keywords=jump+wires&qid=1591588133&sr=8–3	Electronic