Hunter x Hunted II

The problems our game has are that:

1. There needs to be a heartbeat sensor for each player- might cost too much
2. No one has used the heat beat sensor before- might take too much time to make it work
3. We need to study two things: programming and how to build the machine.
   
4. Each device needs to be strong enough so that it won't break while the players are running.

Now good parts of our game are:

1. It forces the players to work out.
2. Can be played by any number of people(as long as they are devices for them)

This game would be awesome, but only if we can actually make it.

Since I have almost no knowledge about programming, to me, subjectively, this looks unrealistic.
To make me feel it's realizable, can someone post the information about where to buy all the stuff we need and how much they cost, and what programming knowledge we need for it?


Now I came up with an idea of a game that we can make, so that we can always escape:

1. Each player first does a mini-game (made in Java) which a player first clicks, and then tries to click again ten seconds later, without looking at a clock.
2. The Java script calculates the absolute value of the difference.
3. Each player gets a spot away from the starting point. Their distance between the starting point and their spot depends on their time lag in the first mini-game.
4. At each player's spot, there will be a weapon and a shield.
5. When the game starts, screen suddenly shows which player to be a Hunter, at random moment.
6. As soon as the players know their role, they run to their spot to get their equipment.
7. If the Hunter can hit the Hunted's body before the Hunted protects itself with his/her shield,
8. the Hunter wins that game.

Only thing we need to make this game real, are:

1. Java script(this is the only thing that requires some skill)
   
2. Shields and Weapons(soft)
3. One laptop
4. One mouse
5. Tape measure

I tried to make this game inherit the good part of the heartbeat game which is to force the players to run.
Depends on how to program it, this game can be played by more than two people.