We've searched the internet and found the largest collection of On30 Scale trains for sale is on eBay. Below are the listings for 'Sandy River'.

Sandy River  Rangeley Lakes Railroad by Jerry DeVos Vol 3 On2 Sn2
Sandy River Rangeley Lakes Railroad by Jerry DeVos Vol 3 On2 Sn2
$40.00
Time Remaining: 4d 2h 57m
Buy It Now for only: $40.00

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Sandy River Rangeley Lakes Railroad by Jerry DeVos Vol 3 On2 Sn2