Sosuy Roller-Coaster Building Set, Electric Motorized Track Ship, Amusement Park Toy for Boy Girl Teen, Easter Birthday Gifts for Adult Kid Ages 6 7 8 9+, City Construction Theme Collection 2174pcs Double Helix is up for auction in Toys & Games. The current bid is $21.00, 78% below the $97.46 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.