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DenBuddy

Bear Webelos STEM

Bear Marble Run Engineering

Pool noodles cut in half, painter's tape, and a stopwatch. Teams iterate three times, which is where the engineering actually happens.

Shared by An Arrow of Light Den Leader · August 2026

Length
65 min
Prep
30 min
Where
Indoor
Cost
Under $10
Adventures
2 covered

Planning it in DenBuddy copies the whole agenda into your den's calendar and matches each requirement to the Scouts who still need it. Free for one den, and you can edit every block.

What this meeting counts toward

Bear Super Science

Adventure work, no single requirement pinned.

The agenda

0:00 · 5 min · Opening Ceremony

Flag ceremony and Cub Scout Promise

Post the colors, recite the Pledge of Allegiance, the Scout Oath and the Scout Law. Rotate the honor of leading each week.

Whole Den

Bring: US flag, Den flag

0:05 · 7 min · Gathering Activity

The challenge

Show the goal: the slowest marble that still finishes wins.

Whole Den

0:12 · 18 min · Adventure Work

Build round one

Teams of three get four noodle halves and a roll of tape.

Small Groups · 3 groups Baloo the BuilderSuper Science

Bring: Pool noodles (6), Painter's tape, Marbles (12)

0:30 · 20 min · Skill Instruction

Test, change one thing, test again

Time each run. Teams may change exactly one thing between runs and must predict the effect before testing.

Whole Den

Bring: Stopwatch

0:50 · 10 min · Ceremony

Showcase

Each team runs their best marble for the den and explains the one change that helped most.

Whole Den

1:00 · 5 min · Closing

Closing circle and take-home

Preview next week and send home the family note.

Whole Den

Bring: Take-home handout

Run this meeting with your den's gaps in mind

Copy the agenda into DenBuddy and each requirement lines up with the Scouts who still need it. Edit any block, print the run sheet, record what got done.

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