All toys · Nothosaur
CASTOR sizes
The CASTOR by Nothosaur comes in 4 sizes, 4.41″ to 8.15″ around at the widest point. Compare any of them at true scale against toys from other brands.
| Size | Girth around (widest) | Across | Usable length | |
|---|---|---|---|---|
| XS | 4.41″ (11.2 cm) | 1.4″ (3.6 cm) | 4.72″ (12.0 cm) | See at true scale · What's next? |
| S | 5.31″ (13.5 cm) | 1.69″ (4.3 cm) | 6.18″ (15.7 cm) | See at true scale · What's next? |
| M | 6.93″ (17.6 cm) | 2.21″ (5.6 cm) | 7.48″ (19.0 cm) | See at true scale · What's next? |
| L | 8.15″ (20.7 cm) | 2.59″ (6.6 cm) | 8.62″ (21.9 cm) | See at true scale · What's next? |
From Nothosaur's published size chart, checked 2026-11-12. Handmade toys vary slightly.