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Certified Pre-Owned Explore Science Rumblin' Robots - STEM

SKU CPO-88-90100
BARCODE 8118030325078
Save $ 14.00 Save $ 14.00
Original price $ 39.95
Original price $ 39.95 - Original price $ 39.95
Original price $ 39.95
Current price $ 25.95
$ 25.95 - $ 25.95
Current price $ 25.95

All pricing in USD

Certified Pre-Owned Refurbished

These Certified Pre-Owned items -- including telescopes and accessories -- have been thoroughly inspected by the Explore Scientific Quality Control Team to ensure the item meets our high standard. The item is then repacked, often in a new box, and prepared for shipment.

Generally these items come from one of three sources: returned, often in like new condition; traded in on another item; or new but has blemishes and marks.

Certified Pre-Owned items carry the standard Limited One-Year Warranty on mechanical and optical systems; however, because these items are pre-owned, they DO NOT carry a cosmetic warranty.


  • Learn the basics of circuitry as you build your own boxing robots
  • Have a fun bot-battle with family and friends
  • Individual scoreboards allow players to track their points
  • Boxing ring base doubles as a storage box for easy transport


First you build, then you battle! Punch up the “fun” in science fundamentals with the Explore Science Rumblin’ Robots. With this kit, junior scientists can learn the basics of circuitry as they build their own boxing robots. Once done, family and friends can have bot-battles to see who will become king of the ring. The kit includes individual scoreboards that allow players to track their own points and a boxing ring base that doubles as a storage box. 

(2) AA Batteries required - Not Included



To download printable PDF manual Click Here

CA Residents: Prop 65 WARNING(S)