How to Make a Lego Crossbow That Shoots

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Get Two 1x16 Bricks With Holes in Them and Put Tiles Over 11 Studs on Each Brick.

Attach Them.

Get Two 1x6 Bricks With Holes in Them and Place 7 Technic Connectors in the Holes Shown.

Connect the 1x1 Plate to the Underside of the First 1x6 Brick

Bring the Pieces You Made Before and Connect Them As Shown in the Next Picture.

Connect the Bricks.

Get the Following Pieces: 2 1x4 Plates, 2 Technic Connectors, 2 1x2 Bricks With a Hole in Each, 2 1x2 Bricks With a Axle Passageway in It.

Connect the 1x4 Plate Onto the 1x2 Bricks in the Order Shown.

Connect the Technic Pieces.

Bring Your First Piece Over.

Connect the Pieces You Just Made Onto the End of the First Piece As Shown With the Axle Passageway on the End Hole of the First Piece.

Get the Pieces Shown Below.

Connect the Axle and the White Piece.

Connect the Technic Connector to the Black Piece.

Connect the Axle Into the Black Piece.

Bring Your First Assembly Over.

Connect It Exactly As Shown.

Get the Following Pieces, the Axle Is 14 Studs Long But Can Be Replaced by 2, 7 Stud Long Axles.

Connect the Axle (or One of the Axles) to the Black Piece and Put the Bushings On.

Bring Your First Piece Over.

Put the Axle All the Way Into the First Assembly. (If You Are Using Two Axles Then Just Put One in Halfway)

Put the Same Pieces on the Other Side of the Axle.

Get the Pieces Shown.

Connect Them in the Order Shown.

Get the Following Pieces and Connect the Technic Connectors EXACTLY AS SHOWN. (the Gray One Does Not Have to Be Gray)

Connect the White and Gray Pieces.

Connect the Red and White Pieces. This Is What You Should End Up With.

Bring the First Assembly Over.

Connect the Handle As Shown... Make Sure It Is on the Bottom Level.

Collect One 1x6 Plate and Two 1x2 Plates With Only One Stud in the Middle.

Connect Them As Shown So That Half a Stud Space Is Showing on the End.

Put It in So That the Trigger Can Only Go to a 90 Degree Angle As Shown in Next Picture.

Connect the Piece.

Get a Thin Rubber Band.

Connect It As Shown.

Pull One of the Strips of Rubber Band Under the Front of the Gun As Shown.

Get a Regular Rubber Band and Connect It As Shown in the Next Picture.

Connect the Regular Rubber Band As Shown.

Pull the Rubber Band Back Onto the Top of the Trigger and Use a 1x1 Brick As a Bullet. Pull the Trigger and It Will Shoot About 10 Feet. HAVE FUN!!!