Dumbbell /哑铃

This model features a screw mechanism that securely connects the dumbbell heads to the rod. The interior can be filled with sand or glass beads to customize the weight according to your needs.

• Screw Mechanism: Easily assemble the dumbbell heads and rod with a secure screw connection.
• Adjustable Weight: Fill the interior with sand or glass beads to achieve the desired weight.
• Child-Friendly Design: Ideal for encouraging children to engage in light physical activity.
• Customizable: Print in various colors and materials to suit your preferences.

非常适合儿童的轻运动训练。此模型采用螺旋机制，将哑铃头与哑铃杆牢固连接。内部可以填充沙子或玻璃珠，根据需要调整重量。

• 螺旋机制: 通过螺旋连接轻松组装哑铃头和哑铃杆。
• 可调节重量: 内部可以填充沙子或玻璃珠，以达到所需的重量。
• 儿童友好设计: 激励儿童参与轻体力活动的理想选择。
• 可定制: 可以打印成各种颜色和材料，以满足您的偏好。