All toys · Mr. Hankey's Toys
Sigmaloid sizes
The Sigmaloid by Mr. Hankey's Toys comes in 3 sizes, 3.75″ to 6″ around at the widest point. Compare any of them at true scale against toys from other brands.
| Size | Girth around (widest) | Across | Usable length | |
|---|---|---|---|---|
| Xtra-Small | 3.75″ (9.5 cm) | 1.19″ (3.0 cm) | 8.25″ (21.0 cm) | See at true scale · What's next? |
| SMALL/MED | 4.8″ (12.2 cm) | 1.53″ (3.9 cm) | 10.6″ (26.9 cm) | See at true scale · What's next? |
| MED/LG | 6″ (15.2 cm) | 1.91″ (4.9 cm) | 13″ (33.0 cm) | See at true scale · What's next? |
From Mr. Hankey's Toys's published size chart, checked 2026-11-12. Handmade toys vary slightly.