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Only the following TronLink Laser Baseballs and Educational Electronic and Wooden Kits  are in stock at our U.S. site. They are ready for retail orders and we can supply to resellers too. All other Tron Link products listed at http://www.psism.com/tronlinkproducts.htm are for importers & retailers and they have a minimum order quantity (MOQ) ranging from 3000 units or higher. 

Kids can have fun learning science and/or electronics with our kits!  

I. Hand-Sensing Laser Baseballs and Softballs: The 5-STAR Products!
This is exactly the same ball as the ones sold by Sharper Image before.

LB-10  Laser Baseball              SB-10 Laser Softball

Check this product's safety report here.

      With the patented* hand-sensing technology, these great speed-sensing Laser Balls have been greatly improved from our previous version Radar Balls. Please click on the balls above to see the amazing features.  Check product reviews at  http://www.epinions.com/content_83816451716. This is exactly the same ball as the ones sold by Sharper Image before.

Warning:   These models are for pitching practice only. Users should never intend to hit them with a bat or pitch directly against a wall. 60-DAY warranty from date of sales. Warranty does not cover abuse, misuse or physical damages. If used properly, the ball's battery can last 4 -10 years depending on usage. The LB-10 and SB-10 balls below are made with sturdy PVC skin.

* We aggressively protect our technology and go after the patent breakers! Only balls with Tron Link or Sharper Image logo on them are legitimate! 

To Order or Inquire:

        For OEM and importer inquiries, please call us at 301-572-2168 or fax 301-847-0739 or e-mail sales@psism.com for more information. Minimum order is 3024 balls per order.

       For retail orders, please click the "Place An Order" tab below.




LB-10: Laser baseball, 20' ~ 80', adjustable pitching distance, 1 each, individually packaged, 60-Day warranty

For importers only, minimum order is 3000 balls; FOB Hong Kong
SB-10: Laser Softball, 40', 43' & 46', adjustable pitching distance, 12" circumference, 1 each, individually packaged, 

For importers only, minimum order is 3000 balls; FOB Hong Kong

Bluetooth Radarball with wireless Dispaly on Smart Phones

BT-LB: The Third-Generation Radarballs with Hand-Sensing Circuitry and Bluetooth Wireless Display Technology!

For importers only, minimum order is 3000 balls; FOB Hong Kong



30 or 60 circuits with reusable coil-spring connections. Kids will have fun learning with these kits.

* Kids can now have a head start with electronic circuits in a fun way
* Teaches fundamentals of circuits
* Safe, simple and reusable coil-spring connections
* Includes step-by-step instructions
* Battery-operated




EE-1: 30-in-1 Electronic Project Kit, 30 experiments in one panel Sold out
EE-6: 60-in-1 Multi-Sensor Electronic Kit, 60 experiments in one front panel Regular $25.  order.gif (1078 bytes)
Sale $16
EE-6/6: 6 units of 60-in-1 Multi-Sensor Electronic Kits in one master carton. $80. order.gif (1078 bytes)


To Order or Inquire:

For importers or wholesalers, please call PSI/TronLink (US) at 301-572-2168 or fax 301-847-0739 or e-mail to sales@psism.com for ordering information. For retail orders, you can  use our on-line order form; please click here.

We welcome OEMs and ODMs! The specifications from USA, France, Italy, UK, Holland, Spain, Germany, and Australia are available. Different colors are available but may cost extra!


Other Tron Link Products  To PSI Home 



WARRANTY & SUPPORT.  Tech support from manufacturer and PSI. For tech support and/or RMA, please go to http://www.psism.com/support.htm

TO ORDER OR INQUIRE.  Please click here to place an online order or send e-mail inquiry to sales@psism.com or call (301) 572-2168. We accept Visa, MasterCard, Discover and American Express as well as government and university POs.  International orders may be conditionally accepted. Please click here to order or view our ordering information page.


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Copyrightę 1995 ~ 2016 
PSISM, LLC , dba PSI (formerly  Primary Simulation, Inc. ) 
2963 Mozart Drive, Silver Spring, MD 20904  U.S.A.
Tel:(301) 572-2168,  Fax: (301) 847-0739
10:00AM ~ 6:00PM U.S. Eastern Time
Email: sales@psism.com