MXTLASER D6mm 635nm 5mW Red Dot Laser Module 3V Industrial Grade APC Driver

Mechanical Engineering for Kids: Understanding Mechanical Systems from Gears to Robots, learn different elements like Linkage, Bearings, Engines, ... engineering book-Engineering for kids)

Big Power From The Smallest Things: A Guide to Nuclear Energy for Curious Kids

Titanic Coloring and Drawing Book: Titanic Activity Book for Kids Ages 8–12 | Fun Coloring, Drawing, Word Searches, Facts & Quiz

The Air Came To A Stop (Next Up Trades)

50 Interesting Questions Every 10-Year-Old Should Know: Incredible Facts and General Knowledge Gems to Inspire Next-Gen Boys and Girls (The Wonder Quest Collection)

Kid Inventors: Inspiring Short Stories About Young People and Their Amazing Ideas

Electric Circuits: Introductory Book for Kids

Aerospace Engineering for Kids: Aeronautical Engineering for Kids From Wings to Engines Explaining How Jet Engines Work, Designing Airplanes, and ... Froggy Adventures in How the World Works!)