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Black rectangular DIY soldering kit in clear acrylic case with speaker and volume knob

ScienSta XN-SYJ-01 stem toy 12.2 cm 0.249 kg

SKU CH-ZE21-8SPYD MPN XN-SYJ-01

A DIY soldering practice kit with a 2‑inch speaker, clear acrylic case and step‑by‑step guide that runs on USB or three AA batteries

  • Battery runtimeTrue, false
  • Product editionXN-SYJ-01
  • Color familyBlack
  • Modulesa DIY Soldering kit
  • Spec summarya DIY Soldering kit, Acrylic, 12.2 L x 8 W x 3.2 H centimete
  • Measurements12.2 cm × 8 cm × 3.2 cm
  • Build soldering confidence with a hands-on DIY kit
  • Hear clear audio from the 2-inch speaker with volume knob
  • Follow a photo-rich manual for error-free assembly
  • Power via USB cable or 3×AA batteries for portability
  • Spare resistors and capacitors included for mistake recovery

Hands-On Soldering Practice Kit

The ScienSta XN-SYJ-01 is a DIY electronics kit designed for hobbyists and students who want to improve their soldering technique through a practical build. It results in a working audio device housed in a clear acrylic enclosure measuring 12.2 cm by 8 cm by 3.2 cm. The kit weighs 0.249 kilograms and includes a detailed manual with high-resolution photos for guidance. It suits learners who already possess basic soldering knowledge or have access to supervision.

Thermal and Power Characteristics

The assembled unit operates on dual power sources: a supplied USB cable for stationary use or three AA batteries for portable operation, though batteries are not included. As a low-voltage soldering project, it produces negligible heat and draws minimal current during normal audio playback. No active cooling or fan is present, so operation is completely silent aside from the intended speaker output. The kit is rated for approximately 1.5 hours of continuous use.

Bundled Extras and Their Impact

A clear acrylic case is included to protect the finished circuit board while keeping the component layout visible for inspection. The kit provides spare resistors and capacitors to recover from common assembly mistakes, though not every component has a backup. A 2-inch speaker and a smooth-turning volume knob are pre-supplied, eliminating the need to source audio hardware separately. The step-by-step guide reduces assembly errors but assumes the user can already handle a soldering iron safely.

How it compares

Measured against everything we stock in STEM Kits & Building Blocks, at today’s prices. Recalculated every night.

Price $31.99
Pricier than about 54% of the 236 comparable items (median $28.99).

Specifications

Product
Brand nameScienSta
Model nameXN-SYJ-01
Part numberXN-SYJ-01
Product colorBlack
Product editionXN-SYJ-01
Color familyBlack
Power
Battery runtimeTrue, false
Size & build
Measurements12.2 cm × 8 cm × 3.2 cm
Product weight0.249 kg
Product dimensions12.2 cm × 8 cm × 3.2 cm
More details
Modulesa DIY Soldering kit

Questions about this item

How do I install the components into the 12.2 cm acrylic case without melting the plastic?

Solder each joint quickly with a temperature-controlled iron, then let it cool before moving to the next pad; the thin acrylic walls soften if heat lingers.

Which parts will I need to replace after repeated assembly practice?

The kit includes spare resistors and capacitors for the components most likely to be damaged while learning; the 2-inch speaker and PCB traces are not duplicated.

How long can the speaker run on three AA cells before the volume drops?

The supplier rates battery operation at 1.5 hours of continuous playback at moderate level.

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