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Find the part that finishes the build.

Trusted by 12,000+ builders · Ships same day before 2 PM · Free returns on hardware

🌊Summer Float Season · Now

Built for the lake.
Ready when you are.

Water-resistant servos, floatplane kits, and everything you need before the ramp fills up.

Pair of white RC floatplane pontoons on calm lake water with golden reflections
Float Season

Float Hardware

Robart 7" Float Set

$84.95
4.8
Hitec HS-65HB micro servo with white plastic case and servo arm on workshop surface

Servos

Hitec HS-65HB Servo

$29.99
4.9
Stack of thin balsa wood sheets in natural light on a clean wooden workbench

Balsa Wood

1/16" Balsa Sheet 36" — 4" wide

$4.25
4.7
OS Engines .46 AX muffler in chrome finish with mounting hardware on workshop bench
In Stock

Engine Parts

OS .46 AX Muffler

$34.50
4.6
Roll of Monokote transparent red heat-shrink covering film partially unrolled on workbench

Covering

Monokote Transparent Red

$18.95
4.8
Ten small brass Du-Bro 4-40 clevises arranged on white background showing thread and clip detail

Linkage Hardware

Du-Bro 4-40 Clevis Set (10pk)

$6.49
4.9
Sullivan Gold-N-Cable flexible control cable in gold casing coiled on workshop surface

Control Cables

Sullivan Gold-N-Cable 36"

$8.75
4.7
Great Planes aluminum wing tube with smooth surface finish on neutral background

Structure

Great Planes 60" Wing Tube

$12.50
4.5
🔧New Arrivals · Spring 2026

Fresh off the freight.
Plan next season now.

Pre-order spring engine arrivals and secure your allocation before club orders fill the queue.

OS Engines MAX-120AX four-stroke glow engine in packaging on workshop bench

Four-Stroke Engine

New

OS Engines MAX-120AX

$389.95

In Stock

Thunder Tiger Pro .46 BB engine close-up showing carburettor and cylinder head

Two-Stroke Engine

Pre-Order

Thunder Tiger Pro .46 BB

$119.00

Ships Mar 15

Saito FA-120TS3 three-cylinder radial engine mounted on display stand

Four-Stroke Engine

Saito FA-120TS3

$449.00

In Stock

YS 140 DZ-R competition engine with pump system visible on clean surface

Two-Stroke Engine

Pre-Order

YS .140 DZ-R

$329.95

Ships Apr 1

Pre-orders ship in allocation order. Club accounts (10+ units) receive priority fulfillment. Apply for club pricing →

🛠️Workshop Bundles · Curated

The whole build.
One order.

Hand-curated kits for specific builds. Every item chosen by a builder, not an algorithm.

Quarter scale Spitfire RC aircraft kit components laid out on a wooden workshop bench
Workshop BundleSave $38

Quarter-Scale Warbird Starter

Everything to begin a 1/4-scale Spitfire build

  • 1/16" balsa sheet pack (×12)
  • 1/8" balsa sheet pack (×6)
  • Monokote — WWII Camo Set
  • Du-Bro hinge kit (×50)
  • Great Planes 60" wing tube

$284.00

for the full bundle

Float plane RC model on calm lake water at golden hour with reflections
Float SeasonSave $22

Float Plane Build Kit

Lake-ready components for a .46-powered floatplane

  • Robart floats — 7" pair
  • Hitec HS-65HB water-resistant servo (×4)
  • Sullivan cable — 36" (×2)
  • Dubro water rudder kit
  • Goldberg float strut set

$196.50

for the full bundle

Indoor model airplane workshop with tissue covered wings and balsa frames under warm lighting
Winter PlanningSave $15

Indoor Winter Build Box

Lightweight balsa and tissue for cold-weather workshop builds

  • 1/32" balsa sheet pack (×20)
  • Esaki tissue — 5 colors
  • Sig dope — clear (8oz)
  • Small parts hardware kit
  • Pinning board + pins

$127.00

for the full bundle

Portrait of Harold Mercer, retired aerospace engineer and scale model builder

"I've been building quarter-scale warbirds for 30 years. Balsa is the only shop that puts together kits the way a builder would pack them — nothing missing, nothing wasted."

Harold Mercer

Retired aerospace engineer · RCAA Club Champion 2024