Halloween Party Kits  •  The Slime Store  •  Halloween Supplies  •  Choose 2-Day Ship to Get by Halloween

Steve Spangler Science will be closed Monday, September 1st for Labor Day.

No shipments will be sent or received on that day and deliveries in transit will take 1 additional day to arrive. Normal business hours will resume Tuesday, September 2nd at 8:30 AM MST. We are sorry for any inconvenience.

Questions? Give us a Call: 1-800-223-9080

Deal Of The Day

Large Black Light

Looking for more glow from your Atomic Glow? Do your after-dark scientists need a little more pizazz in their experiments?

Regular Price: $24.99

Special Price: $18.74

  • You Save:
    $6.25

  • Discount:
    25% off

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Large Black Light

Looking for more glow from your Atomic Glow?  Do your after-dark scientists need a little more pizazz in their experiments?  No need to keep using a Mini Black Light, this 61 cm (24 in) black light is perfect for all of your Halloween or Glow-in-the-Dark experiments!  This is the black light you’ve been waiting for.  Recommended for children ages 8 and up.

Valid online only. Valid today only. Limited deals available. Deal of the Day price cannot be further discounted.

Deals are selected by our super secret Deal of the Day committee who uses the alignment of the stars combined with Kepler's Laws of Planetary Motion and the flavor of day at the Yogurt World to narrow down the selection process. In the event that the above criteria does not produce viable results, the FedEx guy gets to pick the deal. If you have any questions about the terms and conditions, post your question below… or get a hobby and stop reading this stuff.