Foam Cubes and Cube Puzzles

array(6) {
  ["reg_prices"]=>
  array(5) {
    [0]=>
    string(4) "4.46"
    [1]=>
    string(3) "4.2"
    [2]=>
    string(4) "3.68"
    [3]=>
    string(4) "3.25"
    [4]=>
    string(4) "2.83"
  }
  ["sale_prices"]=>
  array(0) {
  }
  ["reg_price_min"]=>
  string(9) "$2.83"
  ["reg_price_max"]=>
  string(9) "$4.46"
  ["sale_price_min"]=>
  int(0)
  ["sale_price_max"]=>
  int(0)
}