Boys K'Nex Building Sets & Blocks

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K'Nex® K'nexosaurus Rex Building Set K'Nex® K'nexosaurus Rex Building Set

You can bring back the king of the dinosaurs with the K'Nex® K'nexosaurus Rex building set. Build the model, switch it on, and watch it stomp to life! This set includes 250 pieces and a battery powered motor. Plastic. Dimensions: 11: x 2 x 15.Ages 7 and up.

K'Nex® Builder Basics 35 Model Building Set

The K'Nex® builder basics 35 model building set is the perfect way to get started. This is the perfect starter kit and includes over 440 micro and classic scale K'Nex rods and connectors. This allows you to build anything you can think of! Includes step by step color coded instructions for 35…