Tamiya Swimming Sea Otter

Otter-shaped robot building kit

It isn't just transforming mecha fighting on faraway planets: when it comes to robots, the Japanese will happily make a robot out of any creature large or small, including even the most unlikely ones. Like, for example, a sea otter that: that's exactly what the Tamiya Swimming Sea Otter is, a kit that allows you to build a cute robotic otter that swims in water like its real-life counterpart, slapping its belly and waving its tail.

Easy to build even for beginners, the Tamiya Swimming Sea Otter has a mini underwater motor whose movement gets transferred through a cam mechanism to the creature's arms and legs. Combining four different movements in one, this is a great lesson in basic mechanics and the principles of physics besides being lots of fun. To build the 202 x 75 x 80 mm (8 x 3 x 3.1") otter, you only need a pair of nippers and a Philips screwdriver, and to power it, just a regular AAA battery.

Specs and Features:

  • Mini underwater engine
  • Adjustable tail
  • Tools needed: nippers, Philips screwdriver
  • No glue required
  • Dimensions (assembled): approx. 202 x 75 x 80 mm (8 x 3 x 3.1")
  • Power supply: 1 AAA battery (not included)
  • Instructions/manual: Japanese and English
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US$ 31