M.E.S Round Screw Light Bulb 50pk


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Sets of MES screw bulbs, supplied in single voltages.
from £ 3.65 ex VAT


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21 Customer Reviews
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MES screw bulbs, supplied in packs of 50 of any single voltage.

Each bulb measures approx 11mm dia x 23mm in length.

Approx 1000 life hours in each bulb.

1.5v (1 battery)

2.5v (1 or 2 batteries)

3.5v (2 batteries)

6v (4 batteries)

Science Curriculum

Year 4 - Electricity

  • Pupils should be taught to construct a simple series electrical circuit, identifying and naming its basic parts, including cells, wires, bulbs, switches and buzzers
  • Identify whether or not a lamp will light in a simple series circuit, based on whether or not the lamp is part of a complete loop with a battery
Year 6 - Electricity
  • Pupils should be taught to associate the brightness of a lamp or the volume of a buzzer with the number and voltage of cells used in the circuit
  • Compare and give reasons for variations in how components function, including the brightness of bulbs, the loudness of buzzers and the on/off postion of switches


Customer Reviews

  • 5/5 stars
    09 Jun 2016

    No problems

  • 4/5 stars
    31 Mar 2016

  • 4/5 stars
    23 Mar 2016

  • 4/5 stars
    12 Dec 2015

    Our Response "Thank you for taking the time to leave feedback for TTS. I am disappointed to hear that you have experienced a delay in receiving your order, we do send an email confirming your order and expected delivery dates, and we are also implementing systems and processes to enable us to contact you should TTS not meet these dates. Kind regards"
  • 5/5 stars
    20 Nov 2015

    Cheap and excellent value

  • 5/5 stars
    20 Oct 2015

  • 4/5 stars
    27 Jul 2015

    "I've not used the ones I bought yet, but I know they'll be good, they always are."

  • 5/5 stars
    07 Jul 2015

  • 2/5 stars
    29 May 2015

    all falling out of the packets - poorly packed

    Our Response Thank you for your recent feedback. I am sorry to hear that you have had problems regarding delivery of this order. I have passed this feedback onto our customer experience team who will be in contact with you shortly regarding this.
  • 4/5 stars
    17 Mar 2015

  • 1/5 stars
    04 Feb 2015

    Terrible - not able to use it as parts were missing.

  • 5/5 stars
    27 Nov 2014

    Our Response Please accept our apologies for the delay. We have checked and the order was dispatched the day after the order was taken. We are looking into why it didn't arrive with you very soon after.
  • 5/5 stars
    31 Oct 2014


  • 5/5 stars
    17 Sep 2014

    As described

  • 5/5 stars
    07 Jul 2014

  • 4/5 stars
    28 Jun 2014

  • 5/5 stars
    25 Jun 2014

  • 4/5 stars
    14 May 2014

  • 4/5 stars
    21 May 2014

  • 4/5 stars
    17 Apr 2014

  • 5/5 stars
    05 Feb 2014