The firm, known for its Graphix and Block Tech toy brands and its stationery, art and craft and activity ranges, initially agreed on the licensing deal to run from January 2014 until September 2016.
Since then, the company has manufactured 19 "SpongeBob SquarePants" ranges, including puzzles, inflatable bop bags and colouring craft kits.
The new deal will add to RMS International's growing portfolio of brands and licenses with more to be announced later this year.
"We had been working on the licence agreement with Nickelodeon for several months and are delighted to have become a licensee," said RMS.
"The new range of products are great for kids with a creative side who want something to keep them amused. The products are of great quality yet well within pocket money budget, and with the recent SpongeBob SquarePants cinematic release, we are hoping they will fly off the shelves."
The initial line of children's arts & crafts, stationery and novelty items are now available at The Entertainer, CDS–The Range, W.Boyes, Store 21 and Pound Stretcher stores across the UK and Ireland.
Sources: Licensing.biz, License! Global.
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