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From Pathfinder Guns & Gears, which isn't enabled.

Adaptable Paddleboat

VEHICLE 2
Price 110 gp
Space 10 feet long, 5 feet wide, 4 feet high
Crew 1 pilot
Passengers 1
Piloting Check Driving Lore (DC 16), Sailing Lore (DC 16), or Crafting (DC 18)

AC 13; Fort +8
Hardness 5, HP 30 (BT 15); Immunities critical hits, object immunities, precision

Speed swim 15 feet (clockwork)
Collision 2d6 (DC 16)
Deploy Wheels

The pilot engages a lever that activates the clockwork components to transform the adaptable paddleboat's waterwheels into wheels for rolling along the ground. This grants the adaptable paddleboat Speed 20 feet and reduces its swim Speed to 5 feet. This transformation lasts until the pilot disengages the wheels by using this activity again.

Wind-Up

10 minutes of wind-up, 1 hour of operational time, DC 16, standby

Description This amphibious clockwork boat moves through the water using clockwork waterwheels to keep a slow, consistent pace. When necessary, the boat uses ingenious clockwork to reposition the waterwheels and transform them into wheels suitable for land.
Pathfinder Guns & GearsORC