Features: Watch these 10pcs tumbling toy flipping downstairs with fascinating physics each pack contains random colored plastic figures that inspire curiosity through interactive stair climbing action. Engineered with weighted bases and ABS plastic construction, these 2.5 inch novelty figures maintain perfect balance while rolling across various surfaces, ensuring long lasting play. Ideal for children aged 3+ and educators seeking STEM toy, this bulk set encourages family bonding and classroom demonstrations of principles. Perfect for birthday party gift, travel entertainment, or physics classroom activities compact enough to fit in backpacks yet engaging enough for group play. Develops fine motor skills through hands on experimentation as kids predict movement patterns, offering learning that outshines digital devices in educational value. Specifications: Component: Plastic Size: approx.3x2.2x10.2cm/1.18x0.87x4.02inch Color: Random Delivery Quantity: 10pcs Package Includes: 10PCS Rolling Stairs Toy (Random Color) note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.