The kits cost £17 each and are available in four colours.
The kits usually cost about $20 to $35, including laboratory analysis.
Each kit costs $95 to make; they are provided free to educators.
The assembly and the new kits will cost $148.6 million, the company said.
Al Stuart, the producer, said the 25 kits cost a total of $10,000.
The kits can cost $200 per device, an expensive price to eliminate cables.
These kits often cost about $200 installed, and some can be retrofitted on older cars.
Registration and the kit of parts together cost about US$6000.
Most kits cost less than $50, and many are simple enough for young children to take on.
A little extra effort and small expense (a kit of 10 tags costs $4) is all that it takes.