Balsa vs popsicle sticks for a bridge: which is better?
Balsa is lighter and stronger for its weight; craft sticks are cheaper and tougher. A fair comparison, and why your contest's rules decide.
Updated · 1 min read
Short answer: for load held per gram, balsa is the better material, and that is why many serious contests use it. Popsicle (craft) sticks are cheaper, widely available and easy for beginners, and plenty of contests are built around them. Use whichever your rules require.
| Balsa | Popsicle sticks | |
|---|---|---|
| Strength for its weight | very high | modest |
| Cost | more | very cheap |
| Cutting | easy with a knife | hard to cut, usually used uncut |
| Shape | square or rectangular sticks | flat thin strips |
| Grain | straight | can split along the grain |
Design differences
- Balsa sticks come in square and rectangular sections you can use directly. Craft sticks are flat, so builders often laminate them or use them as plates. See popsicle stick bridge tips.
- Craft sticks are often bought in bags, with glue and sticks supplied on the day in some contests. See building on site.
A caution
Our strength figures are for balsa. Don't carry them over to craft sticks. See other materials.