Search query: toys for 11 year old boys best sellers

Product: SmartLab Toys Smart Circuits HOURS OF STEM ELECTRONICS FUN: Build amazing gadgets and games with lights, sounds, and sensors using the modular system and microprocessor; customize your electronic builds in 3-D with snap-together boards
48 PIECES, AMAZING VALUE: Microprocessor, speaker, battery pack, light sensor, tricolor LED array, tilt switch, variable resistor, 2 push buttons, 6 modular boards, 31 jumper wires in 4 lengths, and 48-page manual; requires 3 x 1.5V AAA (LR03) batteries, not included
48-PAGE ILLUSTRATED MANUAL PACKED WITH SCIENCE: Using the scientific method to make your way through the 50 step-by-step projects, learn about electricity, electric currents, electric circuits, conductance, microprocessors, ROM, RAM, sound frequency, RGB color, and more
50 FUN CIRCUIT BUILDS—UNLIMITED PROJECTS: First 10 builds teach the basics of electronics, then advance in complexity; create a doorbell and a motion-sensing alarm for you room, make electronic dice and a pong game, use a pencil to draw music you can hear, create a magic message wand, and more
PERFECT FOR BUDDING COMPUTER SCIENTISTS AGES 8+: Kids can gain confidence as they build on their own or you can bond as a family as you create the projects together SmartLab Toys Multicolor

Product: Engino Discovering STEM Structures Constructions & Bridges | 9 Working Models | Illustrated Instruction Manual | Theory & Facts | Experimental Activities | STEM Construction Kit, Blue Engino brings complex concepts into clear focus for budding engineers and scientists with award winning components and step by step illustrated assembly instructions
Discover all types of forces applied in buildings and Bridges and how they are designed to provide massive weight support
Build 9 working models such as a suspension bridge, Truss bridge lower Truss bridge, house and more
Includes 12 pages of theory and facts, a 3 page quiz, 6 pages of experimental activities illustrating bridge and building assemblies, 16 pages of step by step, 3D rendered illustrations
Models illustrated online at Engino website or using the Engino 3D app downloadable free for Android or Apple iOS. Engino Blue