Manufacturers wishing to license Collision Block Sensors should contact Novelthink at (650) 353-3241.

    "Collision Block Sensors" are placed at the finish line until cars propel them away (previously sold with the Timestopper model TS200):

Novelthink
1795 Guinda Street
Palo Alto, CA 94303-2947
Phone: (650) 353-3241
Email: Pinewood Timestoppers!

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