Skill Builder 125 will "connect you" with hours of building and educational fun. With the 31 colorful electronic pieces, build over 125 projects. Turn on lights, launch a spinning glow fan, sound off alarms, there's so much to do and learn! Kids will learn and understand the basics of electrical engineering with the full color and easy to follow project guide. FeaturesSkill Builder 125 will "connect you" with hours of building and educational fun. With the 31 colorful electronic pieces, build over 125 projects. Turn on lights, launch a spinning glow fan, sound off alarms, there's so much to do and learn! Kids will learn and understand the basics of electrical engineering with the full color and easy to follow project guide.