← All worlds
Electricity history · free activity
Nicko Watts
Nicko Watts is a fictional hedgehog inventor inspired by Nikola Tesla’s real inventions, but is not Nikola Tesla and is never evidence for Tesla’s life.
Color Nicko ↓
Free digital coloring page
Color Nicko Watts
Pick a color, then tap or click inside an outlined area. Use save or print to keep a copy.
Color:
Fiction label: Fictional character. Inspired by Nikola Tesla, but not Nikola Tesla, and never evidence for Tesla’s life.
Circuit Clue Finder
Choose the claim that fits the historical source. No coins or paid upgrades, just a better source check.
Source card: The Smithsonian’s National Museum of American History describes the Tesla coil as a high-voltage, high-frequency transformer invented by Nikola Tesla and patented in 1891.
Source: Smithsonian National Museum of American History, Tesla coil collection record.
Source: Smithsonian National Museum of American History, Tesla coil collection record.
Pick a claim and check the source.