| Laser Goggle | sainsmart.com | 5.99 USD | 149.99 USD | −96% |
| [discontinued] Genmitsu Jinsoku Z4 レーザー彫刻機、5w 圧縮スポット 0.05mm 高精度小型レーザー刻印機、36000mm/min 高速レーザー カッター、日本語アプリ操作、手持ち彫刻、および高度な磁気ベース、レーザークラス2 | jp.sainsmart.com | 9999 JPY | 79,999 JPY | −80% |
| [Discontinued] 21 in 1 SainSmart UNO R3 Sensor Modules Kit for Arduino | sainsmart.com | 14 USD | 59.99 USD | −76.7% |
| [Discontinued] Sainsmart 1.75mm 3D Drucker Metall PLA vermischt Filament 0.5kg | de.sainsmart.com | 8.32 EUR | 30.93 EUR | −73.1% |
| [Discontinued] 2-Channel 3V-32V Solid State Relay | sainsmart.com | 5.5 USD | 17.99 USD | −69.4% |
| Reusable Respirator Mask Gas Protection, Full Face, Half Face | sainsmart.com | 19.99 USD | 69.99 USD | −67.2% |
| [discontinued] SainSmart ToolPAC SMA19 Stud Finder Wall Scanner | de.sainsmart.com | 246 EUR | 739 EUR | −66.7% |
| [Discontinued] ainSmart UNO R3+ Sensor V5 + IIC LCD1602 Module Display For Arduino UNO MEGA R3 | sainsmart.com | 13.5 USD | 37.99 USD | −64.5% |
| [discontinued] 5er SainSmart RFID Karte 125kHz EM4100 | de.sainsmart.com | 7.13 EUR | 19.03 EUR | −62.5% |
| [Discontinued][Open Box] Creality Falcon2 High Power 22W Laser Cutter & Engraver | sainsmart.com | 479 USD | 1,199 USD | −60.1% |
| [Discontinued] [Open Box] ToolPAC PRO32 Smart Soldering Tool Set with Power Supply | sainsmart.com | 35.99 USD | 89.99 USD | −60% |
| [Open Box] Creality CR-10 Smart Pro 3D Printer, with HD Camera and Remote Controll | sainsmart.com | 399 USD | 899.99 USD | −55.7% |
| [discontinued] Sainsmart 2-Kanal 3V-32V Halbleiterrelais | de.sainsmart.com | 7.13 EUR | 15.46 EUR | −53.9% |
| [Open Box] MINIWARE 60W Mini Hot Plate Preheater Soldering Station | sainsmart.com | 49.99 USD | 124.99 USD | −52% |
| [discontinued] SainSmart Rev. 1.3 Atmega1284p Reprap Electronics 3D Printer For Sanguinololu | de.sainsmart.com | 960 EUR | 1,921 EUR | −50% |
| [discontinued] Owon TDS7104 100MHz, 1GS/s, 7.6Mpts, 4 Channel Touch Screen Digital Serial Oscilloscope | de.sainsmart.com | 559.29 EUR | 1,118.59 EUR | −50% |
| [Open Box] DT71 Mini Digital Smart Tweezers - LCR/ ESR Meter Multimeter | sainsmart.com | 59.99 USD | 119.99 USD | −50% |
| [discontinued] 21 in 1 SainSmart Arduino UNO R3 Sensor Modul Kit | de.sainsmart.com | 35.69 EUR | 71.39 EUR | −50% |
| [discontinued] 37-in-1 Sensors Kit for Arduino | de.sainsmart.com | 17.84 EUR | 35.69 EUR | −50% |
| [Discontinued] 37-in-1 Sensors Kit for Arduino | sainsmart.com | 14.99 USD | 29.99 USD | −50% |
| [Discontinued] 5MP Camera Module for Raspberry Pi | sainsmart.com | 9.99 USD | 19.99 USD | −50% |
| [discontinued] SainSmart TE01 & TC01 MTweezer Set | de.sainsmart.com | 493 EUR | 985 EUR | −49.9% |
| [discontinued] SainSmart New 24-in-1 Sensor Starter Kit for Arduino | de.sainsmart.com | 419 EUR | 813 EUR | −48.5% |
| [discontinued] Mega2560+LCD Keypad+Prototype Shield V3 Kit | de.sainsmart.com | 20.22 EUR | 39.26 EUR | −48.5% |
| [discontinued] Signal Generator for SainSmart DDS-140 | de.sainsmart.com | 320 EUR | 616 EUR | −48.1% |
| [discontinued] SainSmart UNO Project Basic Starter Kit with Tutorial for Arduino(UNO R3 & 1602 LCD & Prototype Shield & HC-SR04 Distance Sensor) | de.sainsmart.com | 665 EUR | 1,280 EUR | −48% |
| LCD Keypad Shield For Arduino Duemilanove Uno Mega 2560 Mega 1280 | de.sainsmart.com | 148 EUR | 271 EUR | −45.4% |
| [discontinued] New AVR DSO Pocket-Sized Digital Oscilloscope DSO150,2-Channel,250Ksps,ATmega88 | de.sainsmart.com | 17.84 EUR | 32.12 EUR | −44.5% |
| [discontinued] SainSmart 1000W ZVS Low Voltage Induction Heating Board Module | de.sainsmart.com | 32.13 EUR | 57.11 EUR | −43.7% |
| [discontinued] SainSmart MPPT RR2210RN Solar Charge Controller Regulator 12/24V Tracer 20A | de.sainsmart.com | 95.19 EUR | 166.59 EUR | −42.9% |
| XpertMatic Bluetooth Water Tester, Auto Power Off, Precise Measurements for pH, TDS, EC, SALT, TEMP, S.G, and ORP, Blue | sainsmart.com | 29.99 USD | 49.99 USD | −40% |
| [discontinued] Pure Morning Air Quality Monitor, P8 | de.sainsmart.com | 154.69 EUR | 249.89 EUR | −38.1% |
| [discontinued] Ramps 1.4 + A4988 + Mega 2560 R3 + LCD 12864 3D Printer Controller Kit For RepRap [EU ONLY] | de.sainsmart.com | 118.99 EUR | 190.39 EUR | −37.5% |
| [Hide] DSO213 4-Channels Handheld Mini Digital Oscilloscope | sainsmart.com | 139.5 USD | 219.99 USD | −36.6% |
| [Open Box] Creality CR-10 SE 3D Printer, 600mm/s Speed, Linear Rails, 8.66'' x 8.66'' x 9.84'' | sainsmart.com | 259 USD | 399 USD | −35.1% |
| [discontinued] SainSmart 3.2" TFT LCD Display + Touch Panel+PCB Adapter SD Slot für Arduino 2560 | de.sainsmart.com | 15.46 EUR | 23.79 EUR | −35% |
| [discontinued] CNC TB6600 4-Axis Stepper Motor Driver Board Kit | de.sainsmart.com | 107.09 EUR | 356.99 EUR | −33.7% |
| [Discontinued] 4-Channel 5V Solid State Relay Module | sainsmart.com | 9.99 USD | 14.99 USD | −33.4% |
| [Discontinued] 4-Axis CNC Mach3 USB Motion Controller Card Interface Breakout Board | sainsmart.com | 59.99 USD | 89.99 USD | −33.3% |
| [discontinued] Pure Morning Air Quality Monitor, Temp Humidity Formaldehyde CO2 | de.sainsmart.com | 95.19 EUR | 138.03 EUR | −31% |