This DIY STEM building kit includes nine different variants, each featuring a model such as an airplane, hand pump, fan, generator, racing car, tank, satellite, solar helicopter, and boat. Each variant is a self-assembly model with functional mechanical or electrical components. The kit is suitable for solo use or group learning, making it ideal for educational settings or family activities.

• Style: self-assembly STEM building kit
• Color: Natural/light wood, Black, Yellow, Red, Blue, Orange, White
• Fit: individual assembly
• Occasion: educational learning, family activity