We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
White rectangular LED cross soldering practice kit with components .1

Electronix Express

Electronix Express LED Cross Soldering Practice Kit

SKU CH-N7QN-R66A0

A beginner soldering kit with a randomly flashing LED cross that requires a 9 V battery and soldering iron

  • Product typeEngineering & Robotics
  • Age groupChild
  • Product colorWhite
  • Suitable forUnisex
  • Product weight0.1
  • Colourful random LED flashing teaches basic circuit behaviour
  • Beginner-friendly soldering practice builds hands-on electronics confidence
  • Simple through-hole layout makes assembly easy to follow
  • Requires only a 9 V battery and basic soldering tools
  • Lightweight kit at .1 kg is portable for workshops

Simple Circuit Kit

The Electronix Express LED Cross is a hands-on STEM toy designed for children and beginners who want to learn basic soldering techniques. It presents a straightforward circuit board where LEDs flash in a colourful, random sequence once assembled. The kit focuses on engineering and robotics fundamentals through practical assembly rather than pre-built play.

Suits New Solderers

This kit suits hobbyists, students or makers looking for an introductory project that teaches component placement and joint quality without complex diagnostics. Builders who need a functional gadget for daily use or a project with programmable logic should consider other options, as the circuit offers a fixed flashing pattern and no firmware control.

Soldering Iron Required

Assembly demands a soldering iron and solder, neither of which are supplied with the kit. A 9 volt battery is also required to power the completed circuit and is not included. Buyers without access to these tools and consumables cannot finish the project.

How it compares

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

Price $10.99
Cheaper than about 92% of the 236 comparable items (median $28.99).

Specifications

Product
Brand nameElectronix Express
Product typeEngineering & Robotics
Product colorWhite
More details
Age groupChild
Suitable forUnisex

Questions about this item

How do I install the components on the board and which step is often done wrong?

Solder each part onto the PCB using a soldering iron; the step beginners most often get wrong is applying too much heat or too little solder, which creates cold joints that stop the LEDs from flashing.

What maintenance or replacement will this kit need later?

The 9 V battery powers the flashing LEDs and will need replacing when the light pattern dims or stops; no other parts require routine replacement.

What limit appears first during sustained use?

Battery life is the first limit — continuous flashing drains the 9 V cell, so the LEDs will gradually dim and eventually stop until a fresh battery is fitted.

More in STEM Kits & Building Blocks

Similar items