My boys are old enough to move up to 100-piece puzzles but so many of the higher count puzzles have teeny tiny pieces, which they can’t figure out at all. I was really impressed with the Puzzle Doubles that gives you big pieces, about the size of your palm, with lots of details making it easier for kids to complete the puzzles. Plus, once you’re done, you can flip off the lights and see your puzzle glow in the dark!! After you’ve built your puzzles colored side up, the kids can move onto the more challenging size that is white with outlines. After they build their puzzle, they can color in their design with crayons. product. All Techno Gears Marble Mania sets are interchangeable – so the only limit is your imagination

this set will provide lessons in architecture and engineering, making this a great STEM educationalengineers will enjoy watching the marbles travel through exciting twists, turns, and drops. Constructing