The Motorized & Mechanical Engineering STEM Set is an educational engineering kit designed for students, educators, and hobbyists. Each model demonstrates real‑world mechanical systems — from gear‑driven tanks to marine steamers and speedboats — making it the perfect science fair project, classroom demonstration, or collector’s display piece.
Series Overview: The Engineering Set
This collection highlights mechanical engineering through diverse models, with room for future expansion:
- Battlefield Radar Vehicle & Tank Units – Continuous track system for terrain; radar antenna powered by gears.
- Electric 4WD & Racing Vehicles – Focus on speed, stability, and motor placement.
- Wind‑Powered Electric Racer – Motor spins rear propeller for thrust propulsion.
- Marine Engineering: Paddle Steamer, Steamboat & Speedboat – Explore fluid dynamics; rotational or heat energy drives navigation.
- Electronic Star Light – Decorative lantern powered by simple circuit; teaches wiring and switches.
Design Highlights
- Power Systems: High‑torque DC motors, battery circuits, gear transmissions
- Material: Laser‑cut plywood + rubber/plastic wheels
- Assembly: Bolt‑and‑nut or interlocking construction
- Educational Focus: Mechanical advantage, gear ratios, circuits, aerodynamics
- Safety: Recommended for ages 8+
Performance & Benefits
- For Students: Hands‑on STEM learning, science fair projects
- For Educators: Classroom demonstrations of mechanics and circuits
- For Hobbyists: Functional models for display and experimentation
- For Families: Fun DIY builds encouraging teamwork and creativity
Product Details
- Series: Motorized & Mechanical Engineering STEM Set (The Engineering Set)
- Type: DIY mechanical engineering educational kits
- Models: Radar Vehicle, Tank, 4WD Racer, Racing Car, Wind Racer, Paddle Steamer, Steamboat, Speedboat, Star Light (expandable)
- Material: Premium plywood + electronic components
- Age Recommendation: 8+ years
Package Contents
- 1x Mechanical Engineering STEM Kit (variant of choice)
- Illustrated step‑by‑step instruction manual
Pricing & Availability
এই Motorized & Mechanical Engineering STEM Set এর দাম packaging এবং availability অনুযায়ী পরিবর্তন হতে পারে। Krystal ensures fast delivery, cash‑on‑delivery এবং guaranteed authenticity প্রতিটি order এ।
What is the price of Motorized & Mechanical Engineering STEM Set in Bangladesh?
Prices for premium mechanical engineering STEM kits in Bangladesh typically range from ৳499, depending on model and packaging. Krystal provides authentic products with trusted service, making it a reliable choice for students, educators, and engineering enthusiasts.
Frequently Asked Questions
How long does delivery take, what are the charges, and do you offer Cash on Delivery?
Yes, we offer Cash on Delivery (COD) across Bangladesh pay when your order arrives! Orders above ৳1,500 get free delivery. Delivery charges are ৳60 for Rangpur, ৳85 for Dhaka, and ৳115 for the rest of Bangladesh. Delivery typically takes 2–5 business days depending on your location. We also accept pre-payment for faster processing.
Are the products original and safe for children?
Yes. All products are 100% original China-imported toys with guaranteed quality. Every toy is child-safe and non-toxic, suitable for the age range specified on the product. We stand behind the quality of every item we sell.











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