Balloon Launcher

Balloon Launcher

Selling price: $35.95 Product cost: $18.91 E-packet: $0 Profit margin: $17.04 Passions and interests Stand out It is a new type of high-quality balloon racer with scientific and physical design, which not only makes children have fun but also learns some scientific knowledge and improves their practical ability. The air stored in the balloon pushes…
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