Build your own funky, steampunk-themed robots that emit a safe, cool steam that mimics a real-life locomotive.
Two robots to choose from: a rolling train or a walking robot; move a few pieces to go back and forth between each configuration quickly and with ease.
An LED light illuminates the water vapor for a dazzling steam engine effect.
Includes an electric motor, circuit board, and ultrasonic atomizer that helps teach kids about ultrasonic and sound waves as well as phases of matter.
Manual includes a fun, comic-book-style story that adds to the play value of the kit and brings the models to life.

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