tracked crawlers in place of four wheels, that help it easily get over uneven surfaces. Package includes one unassembled crawler kit. Features: The remarkable traction can be used to get over obstacles ...

plate is made from durable ABS plastic and features 3mm diameter holes spaced at 5mm intervals. These holes enable various Educational Construction Series gearboxes to be attached with screws and create projects ...

the 2012 Edition. Learn about reactions between solids, liquids, and gases. Discover the colorful effects of acids and bases. Perform astonishing "magic" tricks for your friends. Make fizzy and foamy reactions. Write ...

on Science-Ultralight Airplanes Kit. Construct awesome flying gliders with ultralight plastic and bamboo parts. Build five different types of planes with different wing configurations to learn how wings provide lift and how ...

field of engineering with 25 experiments and building projects in five sections. By engaging in hands-on activities, children will learn how engineers apply their scientific and technical knowledge to design machines and ...