Crazy Aarons Enterprises

We make Thinking Putty® and other creative, innovative products to inspire curiosity and wonder and to educate and delight our customers all over the world.

Shop online or at our flagship store in Norristown, Pa.

Experience putty like you never have before with a one-of-a-kind selection of Crazy Aaron’s merchandise, novelty, and collectible items. With over 100 different colors and effects, including many exclusive styles available only at Puttyworld, you’ll be amazed at what you find at the Shop at Puttyworld.

Located on Main Street in Norristown, the heart of Montgomery County, the shop is easily accessible by 476 or SEPTA’s Norristown High Speed Line. Planning a trip from out of town? Please visit our Store Locator for directions.

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700 East Main Street Norristown PA 19401

Norristown, PA 19401 


866 578-2845

Siemens Industry Inc.

The Siemens Harleysville office provides marketing, sales, customer service, and engineering support for the Automation and Engineering and Process Instrumentation business segments. It is also home to the Pneumatics Manufacturing Center and Low and Medium Voltage Distribution Equipment.


Siemens is a technology company centered on the industries that form the backbone of economies – manufacturing, infrastructure, and transport.

Our technology empowers our customers to transform their industries – to create more agile and productive factories, more intelligent and efficient buildings and grids, more sustainable transit.

We develop innovations to create impact for our customers. Our smart microgrids ensure reliable supplies of renewable energy. Our digital twins are helping customers to bring life-saving drugs to market much faster. Our AI software predicts and prevents trains from breaking down.

We make real-world technology that works for everyone.


Siemens AG is a global technology powerhouse that brings together the digital and physical worlds to benefit customers and society. The company focuses on intelligent infrastructure for buildings and decentralized energy systems, on automation and digitalization in the process and manufacturing industries, and on smart mobility solutions for rail and road transport.

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2060 Detwiler Rd
Harleysville, PA 19438 USA


267-470-3498 (Main)
(215) 646-7400 (Office)