The fun of building is only the beginning with this wooden Tonka kit. Assembling the workbench teaches kids basic building skills. The two Tonka vehicles are easy and satisfying projects, and as with all Tonka trucks, great tools for imaginary play. Includes more than 130 pieces. Measures 21" x 10" x 12" when assembled.

For the child who loves cars and trucks, this comprehensive kit includes everything needed to build a working engine. Using the step-by-step instructions, a young car enthusiast can create a working model engine with four cylinders. The valves rock, spark plugs fire and pistons drive the crankshaft. Set includes more than 100 parts, a custom screwdriver and instructions. Adult supervision recommended. Requires 2 "AA" batteries (not included). Measures 13"L x 4"W x 18"H.

Power up the Rocket Car for the ride of your life. This sleek, 24-inch long, land speed challenger will take your breath away as it roars off. Powered by baking soda and vinegar, the Rocket Car uses a unique fueling module, adjustable for all levels of drivers. This kit is fun and educational. You'll enjoy great experiments and learn more about rocket propulsion and chemical reactions. Everything you need is included in this kit, so building the Rocket Car is easy. Guaranteed to supply an out-of-this-world experience!

This popular series of four fascinating paleontology sets lets kids excavate and assemble complete dinosaur skeletons from "fossilized" rock. Perfect for shelf display or dino battles! Hands-on kit includes excavation tool, dust brush, wax adhesive and 32-page guide with instructions and facts about each dinosaur. Look for other Dinosaur Dig kits, sold separately.

With this series of four fascinating paleontology sets, kids can excavate and assemble complete dinosaur skeletons from fossilized rock. Finished models are perfect for shelf display or imaginative dino battles. Features excavation tool, dust brush, wax adhesive and 32-page guide with instructions and facts about each dinosaur.

Let your child's creative juices flow! Eyewitness Kits come packed with crafty, do-it-yourself projects that give your little artist a wonderful sense of accomplishment. The Eyewitness Space Exploration Kit comes with materials for casting and painting three 3-dimensional space models. Includes casting material, paint, magnets, glue, mold, paintbrush and educational booklet full of fascinating facts.

Let your child's creative juices flow! Eyewitness Kits come packed with crafty, do-it-yourself projects that give your little artist a wonderful sense of accomplishment. The Eyewitness Dinoworks Kit comes with materials for casting and painting a 19" Tyrannosaurus Rex skeleton. Includes casting material, paint, magnets, glue, mold, paintbrush and educational booklet full of fascinating facts.

The New Big Book of Building Ideas includes models built with the complete classic building system and micro K'Nex. This updated version includes genuine K'Nex bricks along with ideas and building instructions for over 100 unique models. Includes a range of models to appeal to all K'Nex users, from beginners to expert builders.