Books by Science Bob Pflugfelder
Science Bob Pflugfelder
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Nick and Tesla and the High Voltage Danger Lab
A Mystery with Gadgets You Can Build Yourself
Science Bob Pflugfelder
Paperback
Published:
2023
Nick and Tesla and the Robot Army Rampage
A Mystery with Gadgets You Can Build Yourself
Science Bob Pflugfelder
Paperback
Published:
2023