🎃 Halloween projects

🎃 Halloween is on Saturday, 31 October 2026. Get making!

2 projects for age 7 · page 1 of 1

Projects

Ages 5–11⏱ 25 min

Balloon Ghost Zip Line

When air rushes out of the back of the balloon, it pushes the ghost forward along the string. That is Newton's third law in action: every push has an equal push the other way, the same idea that launches real rockets.

Engineering & BuildingSpace & Flight

🔒 Premium

Ages 6–12⏱ 35 min

Climbing Spider String Toy

Pulling the strings one at a time makes the spider climb because the angled straws grip the string with friction on one side and slide freely on the other. It is a hands-on way to explore forces, friction and angles.

Junk ModelEngineering & Building