Bugs4Fun

Build the Buzz! 🧱🐝
We’re teaming up with for the 2026 City Nature Challenge! Turn your outdoor adventures into citizen science.
How to Join:
1. OBSERVE (April 24–27): Snap photos of real bugs.
2. IDENTIFY (April 28–May 10): Upload to iNaturalist.
3. BUILD: Match your finds with your Bugs4Fun kits!
Help protect biodiversity and earn your digital Master Observer badge. 🐞✨
Join here: inaturalist.org/projects/city-nature-challenge-2026
entomology legobugs natureexploration cnc2026 stemkids

Butterfly ( #5)
Transform your bricks into art with this stunning 38-piece Butterfly. Perfect for display or creative play! Get yours at www.bugs4fun.com or find us on Etsy.

Scorpion ( #3)
Watch out for the sting! This 34-piece Scorpion features a fully articulated tail for realistic posing. Grab the instructions at www.bugs4fun.com or on Etsy.

Rhino Beetle ( #16)
Meet the heavyweight champion! Our 41-piece Rhino Beetle is our most robust build yet. Get the kit info at www.bugs4fun.com or on Etsy.

Lace Fly ( #14)
Add some elegance to your shelf with the 26-piece Lace Fly. A detailed build for fans of delicate insects. Available at www.bugs4fun.com and Etsy.

Moth ( #15)
Check out the vibrant colors on our 36-piece Moth build. A must-have for any insect collector! Find manuals at www.bugs4fun.com or Etsy.

Caterpillar ( #18)
Every butterfly starts as a 30-piece Caterpillar! This colorful build is perfect for younger fans. Available now at www.bugs4fun.com and Etsy.

Ladybug ( #2)
Bring a little luck to your collection with this 32-piece Ladybug. A great way to start your Build-A-Bug journey! Available now at www.bugs4fun.com and our Etsy shop.

Snail ( #9)
Slow and steady wins the build! Our 28-piece Snail is one of our most popular designs. Check it out at www.bugs4fun.com or our Etsy store.

Ant ( #11)
Small but mighty, our 26-piece Ant is ready to join your colony. Start building today with manuals from www.bugs4fun.com or Etsy.

Firefly ( #19)
Light up your night with the 32-piece Firefly. A magical addition to the Build-A-Bug series! Find it at www.bugs4fun.com or on Etsy.

Fly ( #1)
Explore the world of insects with our 26-piece Fly build! This simple and fun project is perfect for builders ages 6 and up. Get the manual at www.bugs4fun.com or find us on Etsy.