You can assemble the Engine 29 fire truck and the Big Rig semi truck!With the Knuckz Delux Set Building & Construction Toy Set Educational Toy, our biggest standard building set yet, you can assemble the Engine 29 fire truck and the Big Rig semi truck! You can also build 6 other models! Use the 397 pieces (including 12 gears and 10 tires) to construct any model you can imagine!
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