How to Make a Cardboard Bowling Game
Build a tabletop cardboard bowling alley complete with a functional ball launcher, gravity ball-return channel, and an overhead string-pulley pin reset system.
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🧰 Required Tools & Equipment
- ✓ Heavy-duty utility knife
- ✓ Hot glue gun with glue sticks
- ✓ Steel ruler
- ✓ Pencil and marker
- ✓ Needle or awl
📦 Materials & Supplies
- ✓ Corrugated cardboard sheets (3mm-5mm)
- ✓ Braided nylon string
- ✓ Wooden skewers (3mm diameter)
- ✓ Elastic rubber bands
- ✓ Small steel ball bearings or glass marbles
- ✓ Mini wooden craft dowels or beads for pins
⚠️ Safety Checkpoints & Warnings
- • Always cut away from hands on a flat cutting mat using a sharp utility knife with fresh blades.
- • Allow hot glue seams to cool for at least 30 seconds before handling to prevent severe contact burns.
- • Keep small ball bearings and pins stored in a sealed tray to avoid choking hazards and floor slips.
📋 Step-by-Step Guide (6 Steps)
Cut and Assemble the Main Lane and Side Gutters
Cut a base rectangle measuring 60 cm by 20 cm from thick corrugated cardboard, then slice two 5 cm tall side walls. Glue the walls along the outer perimeter to form a walled lane, ensuring the surface is completely flat. Glue two 2 cm wide angled cardboard strips on each side of the lane to form slight gutter slopes that catch stray balls.
- • A rigid rectangular box tray with raised outer walls and sloped inner gutters running the full length.
- • Using warped cardboard, which creates uneven bumps that deflect rolling balls.
Install the Ball Collection Chamber and Return Ramp
Cut an opening at the far end of the lane that drops 3 cm below the lane level into a catch basin. Install a secondary slanted cardboard chute underneath the main lane angled at roughly 5 degrees towards the player side. Test with a marble to ensure the ball drops smoothly into the chamber and automatically rolls back to the front collection slot.
- • A drop-down pit at the rear of the lane leading to a continuous under-lane return track.
- • Setting the return ramp angle too flat, causing marbles to stall midway.
Construct the Overhead Pin Deck and Pulley Frame
Build an inverted U-shaped cardboard frame measuring 15 cm tall and glue it directly over the rear pin placement area. Punch six evenly spaced pinhole guides (arranged in a standard triangle: 1-2-3 formation) through the top bridge using an awl. Cut a sliding cardboard handle that rests on top of the bridge to serve as the unified lift bar for all pin strings.
- • A sturdy overhead gantry with six aligned guide holes positioned over the rear triangle layout.
- • Misaligning the top guide holes with the target floor spots, causing pins to hang crookedly.
String and Suspend the Bowling Pins
Cut six identical 4 cm lengths of wooden dowel or mini cardboard tubes to act as bowling pins. Drill or pierce a small hole through the top of each pin, thread a 25 cm length of nylon string through, and secure it with a knot and drop of hot glue. Thread each string up through its corresponding gantry hole and tie them at uniform tension to the top sliding reset handle.
- • All six pins stand firmly on the deck floor when the handle is lowered and lift simultaneously when pulled.
- • Unequal string lengths, which leaves some pins dangling in the air while others rest on the floor.
Build and Mount the Swiveling Spring Launcher
Cut a small cardboard barrel channel (10 cm long, 2 cm wide) that pivots on a centered wooden skewer pin at the front of the lane. Insert a cardboard plunger inside the channel attached to a small rubber band anchored to the front edge. Pull the plunger back, place a marble inside, and release to test firing velocity down the lane.
- • A smooth-pivoting miniature cardboard cannon capable of aiming left, center, and right.
- • Using an over-tight rubber band that cracks the cardboard plunger upon release.
Add Retaining Curtains and Test Play
Glue a soft fabric or thin cardboard flap behind the pin deck to absorb impact energy and drop balls cleanly into the return pit. Run five complete test frames by firing the marble, knocking down pins, and pulling the overhead handle to immediately reset the pins into upright position. Reinforce any stress points along the launcher pivot and string anchors with extra glue.
- • Balls deflect cleanly into the drop pit without bouncing back out onto the main lane surface.
- • Omitting the rear backstop, which allows launched balls to bounce unpredictably off the room walls.
Credit: inspired by an original tutorial by SLICK SLIME SAM - DIY, Comedy, Science — watch the original on YouTube.
Don’t have everything?
- No Wooden dowels (for pins)? Tightly rolled paper tubes or discarded marker caps
- No Awl? Sharp pencil or metal compass point
- No Hot glue gun? PVA craft glue with painter's tape to hold joints while drying