Party for 5
5 Mini Builders
Price confirmed with your custom quote
- 5 themed activity sets, tailored to your group
- Design, assemble and decorate a creation
- A party plan based on your chosen project
DIY birthday party box
Mini Builders Birthday Party Box
A hands-on celebration for building, designing and dreaming big.
Based on our Builder Kit · Ages 3+ · Grown-up participation required
Pick your party size
We’ll tailor the activity sets to your group. These party boxes are custom quoted — we’ll confirm the price and exact contents before you commit.
Party for 10
10 Mini Builders
Price confirmed with your custom quote
- 10 themed activity sets, tailored to your group
- Design, assemble and decorate a creation
- A party plan based on your chosen project
Party for 15
15 Mini Builders
Price confirmed with your custom quote
- 15 themed activity sets, tailored to your group
- Design, assemble and decorate a creation
- A party plan based on your chosen project
Inside the Mini Builders theme
Inspired by our Builder Kit, with activities and materials selected for your celebration. Your final party-box contents are confirmed when you inquire.
Tools & materials
- Kid-sized safety glasses
- Mini tape measure
- Ruler
- Small level
- Age-appropriate child-safe screwdriver/tool
- Pencil
Activity ideas
- Build a Mini Vehicle
- Build a Little House or Structure
- Build a Picture/Photo Holder
- Bridge Building Challenge
- Design Your Own Creation
Building projects require responsible adult supervision; materials may vary by availability.
Explore the Builder KitMake it yours
For each Mini Doer
A hands-on activity chosen for the age and interests of your group. Design, assemble and decorate a creation.
For the party host
Choose a building challenge and set up a work area. Tell us your guest count and any personalization you have in mind so we can plan the box together.
How it works
- 01
Pick your party
Tell us the theme, number of children and the birthday child’s interests.
- 02
Choose the activity
We’ll help select a project from the kit theme that works for your group.
- 03
Confirm your box
We’ll confirm the contents, price and timing before you order.
- 04
Make & celebrate
Set up your party space and enjoy the activity together with a grown-up.
The finishing touch
Matching invitations & thank-you cards
Complete your Mini Builders celebration with a matching pair. Any Mini Doer can be personalized to look like your Mini Doer!
See invitation & thank-youReady for a Mini Builders party?
Tell us your party size and favorite activity. We’ll put together the details and confirm the price with you.
Ask about this party box