A whoop is the smallest FPV drone: 65 to 75 mm, ducted props and a 1S battery, made to fly indoors without breaking anything. Here is a complete build part by part with today's price, and the next step if you want to fly outside: a 2 inch toothpick.
Today the cheapest build on this list costs $167 in parts.
| Part | Model | Price today | Stores in stock |
|---|---|---|---|
| Frame | HappyModel Mobula6 2024 65x Whoop Frame | $4.05 | 1 |
| Motors ×4 | HappyModel RS 0802 20000Kv Micro Motor - Choose Your Version | $47.96 | 1 |
| FC + ESC stack | iFlight Borg G4 1S AIO - w/Rx | $66.98 | Sold out |
| Battery | RDQ Series 3.8V 1S 550mAh 100C LiHV Whoop/Micro Battery w/ Cabled Connector - Choose Version | $6.34 | 2 |
| Props ×4 | Gemfan 1220 31mm 4 Blatt Propeller 1mm Loch Klar Lila 4xCW 4xCCW | $1.27 | 3 |
| Camera | BetaFPV Air Analog FPV Camera | $9.99 | 1 |
| VTX | HappyModel OVX306 OpenVTX Nano VTX | $30.49 | Sold out |
| Parts total | $167 | ||
| Part | Model | Price today | Stores in stock |
|---|---|---|---|
| Frame | Foxeer AlfaRC Quark96 2inch FPV Racing Quadcopter Frame Kit | $14.75 | 1 |
| Motors ×4 | GEPRC SPEEDX2 1303.5 Cinelog20 Drone 4S Motor 5500KV | $75.20 | 1 |
| FC + ESC stack | iFlight BLITZ Whoop AIO F411 | $50.99 | 1 |
| Battery | Lumenier N2O Feather-Lite 750mAh 2S 100c LiPo Battery - XT-30 | $24.49 | 2 |
| Props ×4 | Gemfan 2023 3-blade Propellers (1.5mm Shaft 4PCS) | $2.49 | 6 |
| Camera | RunCam Split 4 V2 FPV Camera | $99.99 | 4 |
| VTX | HGLRC Zeus Nano 350mW 16mm/20mm/25.5mm VTX | $24.99 | 2 |
| Receiver | BetaFPV ELRS Nano Receiver | $9.99 | 4 |
| Parts total | $303 | ||
Each build starts from a curated template and is resolved against the catalog with parts that have a price in at least one store. The price is the lowest across stores, converted to your currency, and counts four motors and four props. Before it is published, the build goes through the 50+ rules of the compatibility engine.
How much does it cost to build an FPV whoop?
With prices from 2026-10-30, the cheapest build on this list, the 1.6" Whoop 1S · Indoor, costs $167 in parts, without goggles or radio. Building it yourself lets you pick every part and know how to repair it later.
What parts does a whoop need?
A ducted frame, four motors from 0802 to 1102, an AIO board that combines flight controller, ESC and often the receiver, a camera with a VTX, and 1S batteries. Props are 31 to 40 mm depending on the frame.
Whoop or toothpick to start?
The whoop to practise indoors: it weighs under 50 grams and does no harm. The toothpick flies outside with more speed and handles more wind while staying light. Many pilots start on a whoop and move to a toothpick.
5 inch FPV drone build list · Long range FPV build list · Cinewhoop FPV build list · FPV builds by budget · All about whoops · All about 5 inch drones · 5-inch FPV motors (2207-2306) · 6S batteries, 1,000 to 2,000 mAh · ExpressLRS (ELRS) receivers · Drone Builder