Dinosaur Train InterAction 3-Piece Pack with Tiny, Ned & Derek for $24.99. Select free site-to-store for in-store pickup at Walmart to save on shipping. Otherwise, shipping is $2.97 for a total of $27.96 shipped. Here is a screenshot for your reference. Inspired by Jim Henson’s Dinosaur Tran, this InterAction pack with Tiny, Ned and Derek comes to life with over 130 sounds and phrases as well as lapping, ramming and clawing action.