Requirements: - 3D-printer - Resistor (x1) (10-220 ohms recommended) - LED's (x4) (Recommended: https://www.amazon.ca/Intensity-Components-Lighting-Floodlight-Spotlight/dp/B07C95VKN5?pd_rd_w=1sVvs&content-id=amzn1.sym.692b7330-b0b8-46a6-a467-efe1241a0906&pf_rd_p=692b7330-b0b8-46a6-a467-efe1241a0906&pf_rd_r=YY8FHMYY2E5Y5KZS66HN&pd_rd_wg=GSMfs&pd_rd_r=c6172657-2f14-4c92-ae80-950059486e49&pd_rd_i=B07C95VKN5&psc=1&ref_=pd_bap_d_grid_rp_0_28_i) - Switch (x1) (Recommended: https://www.amazon.ca/RuoFeng-Solder-Rocker-Switch-Toggle/dp/B07JZS88SM?pd_rd_w=1sVvs&content-id=amzn1.sym.692b7330-b0b8-46a6-a467-efe1241a0906&pf_rd_p=692b7330-b0b8-46a6-a467-efe1241a0906&pf_rd_r=YY8FHMYY2E5Y5KZS66HN&pd_rd_wg=GSMfs&pd_rd_r=c6172657-2f14-4c92-ae80-950059486e49&pd_rd_i=B07JZS88SM&psc=1&ref_=pd_bap_d_grid_rp_0_30_i) - Wire - 9v battery - Nano tape