45pcs Multi-layer Rail Car Toy Set DIY Town Track Playset Kids 74 pieces

Features:
With an electric car toy. Car is powered by 1* AA (NOT included), can drive on tracks.
More delicate track toys, more fun your kids will get.
Track pieces could spliced into various shaped.
Flexible race racking toy set makes it easy to assemble and build.
Exercise various abilities: Thinking ability, hands-on ability, training cognitive ability, exercise building ability, observation ability.