Parts List
| Part | Qty | Unit Cost | Subtotal | Link |
|---|---|---|---|---|
| Drive4 items | ||||
 Repeat Mini Brushed Mk2 Drive Motor (4mm Shaft) Compact, battle-proven brushed motors purpose-built for antweight combat robots. | 2 | $20.00 | $40.00 | Buy → |
 FingerTech Foam Wheels THIN (pair) 1.75" x 0.50" High-quality neoprene foam tires mated with Twist Hubs for lightweight shock absorption. Each wheel weighs ~2.20g and fits a 10mm bore. | 1 | $3.19 | $3.19 | Buy → |
 FingerTech Twist Hubs Thin (pair) 4mm x 0.50" or Gold Eco Hub below Aluminum hubs with a custom locking washer system for attaching foam wheels to your drive motors. Compatible with FingerTech foam wheels and Lite Flites. | 1 | $19.99 | $19.99 | Buy → |
 Gold Eco Hub Mk2 for Foam Wheels (2 pack) 4mm0.50"alt to FingerTech hubs Budget-friendly aluminum hubs designed for attaching foam wheels to your drive motors. A great alternative to FingerTech Twist Hubs — you can use either this or the FingerTech option. | 1 | $14.00 | $14.00 | Buy → |
| Drive subtotal | $77.18 | |||
| Weapon1 item | ||||
 Repeat 2822 Mk3 Weapon Motor 1800kv High-performance brushless motor engineered specifically for antweight weapon systems. | 1 | $20.00 | $20.00 | Buy → |
| Weapon subtotal | $20.00 | |||
| Electronics2 items | ||||
 ReadyToSky 35A BLHeli_S Weapon ESC Proven speed controller tuned for the demands of antweight weapon control. | 1 | $13.50 | $13.50 | Buy → |
 Dominion Dual Brushed Drive ESC 20×20mm dual brushed drive ESC with 6A per channel, overcurrent & overtemp protection, and a built-in 5V BEC for receiver power. | 1 | $27.50 | $27.50 | Buy → |
| Electronics subtotal | $41.00 | |||
| Radio2 items | ||||
 RadioMaster ER3C-i 2.4GHz ELRS PWM Receiver ELRSFCC Lightweight 4.2g ExpressLRS receiver with built-in ceramic antenna and 3 PWM channels — compatible with all 2.4GHz ELRS transmitters. | 1 | $16.99 | $16.99 | Buy → |
 RadioMaster Pocket Radio Controller (M2) ELRSFCC Compact radio controller with hall effect gimbals, EdgeTX firmware, and ExpressLRS support — portable enough to fit in your pocket. | 1 | $64.99 | $64.99 | Buy → |
| Radio subtotal | $81.98 | |||
| Power6 items | ||||
 GNB LiHV 4S 15.2V 380mAh 90C XT30 LiPo Battery High-voltage 4S LiHV pack at 380mAh with a 90C discharge rate and XT30 connector — sized for the plastic ant class. | 1 | $23.95 | $23.95 | Buy → |
 Fire Retardant Lipo Bags Fireproof LiPo safety bags for charging and storing your battery — essential protection against thermal runaway. | 1 | $11.99 | $11.99 | Buy → |
 AWG Stranded Wire Fermerry 22 AWG flexible silicone stranded wire — 10ft each in 6 colors. Tinned copper for easy soldering on motor leads and power connections. | 1 | $12.29 | $12.29 | Buy → |
 ISDT Lipo Battery Balance Charger AC/DC LiPo balance charger compatible with 1S–6S packs — charges, balances, and maintains your battery before every fight. | 1 | $59.99 | $59.99 | Buy → |
 Fingertech Switch Compact 12.7×12.7mm power switch rated 40A continuous and 100A burst. Weighs just 2.15g — activated with a 3/32" hex wrench. | 1 | $9.00 | $9.00 | Buy → |
 3/32 Inch Hex Key Required to operate the Fingertech Switch — insert and turn clockwise to connect power, counterclockwise to disconnect. | 1 | $5.28 | $5.28 | Buy → |
| Power subtotal | $122.50 | |||
| Hardware2 items | ||||
 WERA 05118068001 2054 Screwdriver for Hexagon Socket Screws Precision hex screwdriver for M3 socket head screws — the right tool for assembling and adjusting your robot frame. | 1 | $8.83 | $8.83 | Buy → |
 M3 Screw Assortment Kit Assorted M3 screws — everything you need to assemble the frame. | 1 | $19.99 | $19.99 | Buy → |
| Hardware subtotal | $28.82 | |||
| Tools2 items | ||||
 Bambu Lab A1 Mini 3D Printer Optional Fast, fully auto-calibrating desktop 3D printer — used to print all the structural parts for the Happy Bot Kit. Pre-assembled and ready in ~20 minutes. | 1 | $299.00 | $299.00 | Buy → |
 Pinecil Smart Mini Portable Soldering Iron V2 Optional Compact 28g soldering iron powered by USB-C or barrel jack. Heats to operating temp in ~6 seconds with adjustable temperature from 100°C to 400°C. | 1 | $25.99 | $25.99 | Buy → |
| Tools subtotal | $324.99 | |||
| Total (known prices) | $696.47 | $696.47 | ||
Prices shown are estimates and may vary. Items marked — require visiting the vendor site for current pricing.