Make a landsail vehicle
Build a small landsail vehicle using a toy car chassis, lightweight sail, and cardboard; learn wind power, steering, and simple engineering principles outdoors.
About this activity
Build a small landsail vehicle using a toy car chassis, lightweight sail, and cardboard; learn wind power, steering, and simple engineering principles outdoors.
What you need
Step by step
- 1
Step 1
Choose a flat open outdoor area with light to moderate wind to test your landsail vehicle
- 2
Step 2
Clear any removable body parts from the toy car so you have a bare chassis with free-rolling wheels
- 3
Step 3
Cut the straight straw or wooden skewer to a height about 1.5 to 2 times the car height using adult supervision
- 4
Step 4
Tape or glue the mast upright to the center of the chassis so it stands firmly and straight
- 5
Step 5
Draw a triangle shape on the sail material about the height of the mast and cut it out using adult supervision
- 6
Step 6
Cut the drinking straw or thin stick to be a little wider than the car to make the boom
- 7
Step 7
Attach the bottom edge of the triangular sail to the boom with tape so the sail holds its shape
- 8
Step 8
Fasten the boom to the mast about halfway up using a clothespin or tape so the sail can pivot slightly
- 9
Step 9
Cut a small fin from cardboard and tape it under the chassis near the rear to help the car track straight
- 10
Step 10
Place the car on flat ground and roll it by hand to check wheel movement and add small paperclip ballast if it tips or rides unevenly
- 11
Step 11
Test the vehicle in the wind and adjust the sail angle mast position or fin placement until it moves forward and steers well
- 12
Step 12
Share a photo or video of your finished landsail vehicle and what you learned on DIY.org
Fun facts
How do I build a small landsail vehicle with a toy car chassis and cardboard?
Start by reinforcing a toy car chassis or small RC car as the base. Mount a vertical mast (dowel or bamboo skewer) centered on the chassis using tape, glue, or zip-ties. Attach a lightweight sail (fabric or plastic) to the mast and a boom; angle it so wind pushes the car forward. Balance the vehicle with small weights, check wheel alignment for straight steering, then test outdoors in a steady breeze and adjust sail angle and weight as needed.
What materials and tools do I need to make a landsail vehicle?
You’ll need a toy car chassis or small RC car, a lightweight sail material (ripstop nylon, plastic bag, or thin fabric), a mast (dowel, bamboo skewer, or straw), cardboard for mounting and body panels, tape, hot glue or craft glue, scissors, ruler, and zip-ties or elastic bands. Optional: small weights for balance, screwdriver for chassis adjustments, markers for decoration, and an adult for help with hot glue or cutting.
What ages is this landsail vehicle activity suitable for?
This project fits kids roughly ages 6–12. Ages 6–8 enjoy hands-on assembly with adult help for cutting, gluing, and tool use. Ages 9–12 can design, adjust rigging, and test independently while learning basic engineering ideas. Younger children (4–5) can participate by decorating or helping place parts but need close supervision for small pieces and tools. Always match tasks to a child’s motor skills and provide adult supervision for sharp or hot tools.
What are some creative variations and challenges to try with a landsail vehicle?
Try varying sail size, shape, and materials to see how wind power changes speed and stability. Experiment with different mast positions, multiple small sails, or a lower center of gravity using added weights. Challenge kids to race vehicles, design the lightest fast build, or measure distance traveled in a fixed wind. For a STEM twist, record sail area versus speed and graph results. Always test in open, obstacle-free areas and supervise when adjusting rigs.
Watch & Learn
Need help?
What can I use instead of a straight straw or wooden skewer for the mast if I can't find one?
Use a pencil, chopstick, bamboo skewer, or a thin dowel cut to about 1.5–2× the car height with adult supervision and tape or glue it upright to the chassis as the instructions say.
My landsail car won't move in the wind or keeps veering off course—what should I check and fix?
Check that the wheels spin freely after clearing removable parts, make sure the mast is taped straight and the sail angle and boom pivot (clothespin or tape) are adjusted, and move or reshape the cardboard fin or add paperclip ballast under the rear to improve tracking.
How can I adapt this activity for younger children or older kids?
For younger kids have an adult pre-cut the mast and sail and let them tape the mast, attach the boom and fin, and test in a light wind, while older kids can cut materials themselves, experiment with different sail shapes, boom widths, fin placements, and measure how changes affect speed and steering.
What are simple ways to extend or personalize the landsail vehicle after the basic build?
Decorate the sail material and chassis, try different mast heights and boom materials to compare performance, test several cardboard fin shapes or add adjustable ballast, and record a photo or video of your wind tests to share on DIY.org.