Assemble a motorised barrier gate that extends up to 64cm (25.2 inches)
Features a smart key system to control gate access
Includes components: 4 arms, main body, motor cover, card holder, keycard, card template, joint base and cover, motor, battery cover, joint link, metal plate, double-sided adhesive foam tape, terminal caps, small joint cover, hexagonal plate, black wire, washer screws, additional screws, and stickers
Requires 2 x 1.5V AAA batteries (not included)
Encourages understanding of mechanical engineering and electronics
