جهّز المهندسين والمستكشفين الصغار لأول مجموعة حرفية لمسار الكرات من نوعها التي تجمع بين الإبداع والعلوم والتكنولوجيا والهندسة والرياضيات! صمم كل منعطف ومنحدر ومسقط لتتدحرج كراتك! مع لوح متين وأكثر من 50 قطعة - ابنِ مسارات فريدة من الصفر. بعد التجميع، زيّنها بالملصقات وسابق كرتك بأسلوب رائع!
The adjustable ramps and drops kept my son busy for hours, and he actually figured out how to change the slope so the marble wouldn't fly off the track. It's rare to find a craft kit that makes him think this hard without complaining.
My daughter spent two whole afternoons designing her marble track, and the pieces held up to all her rebuilding and reworking without any wobble or frustration. The open-ended design kept her problem-solving way longer than I expected from a craft kit.
Bought this for my nephew's birthday and the box's sturdiness really stood out—it survived being tossed around by two kids before we even opened it. He loved figuring out how to angle each slope so the marble actually picked up speed instead of stalling, and that trial-and-error kept him busy for ho