Adjustable Weight Design
Customize resistance with water or sand filling for progressive strength training, ideal for kids aged 6-12 to match fitness levels.
Durable & Safe Construction
High-density PVC shell with anti-slip grip texture, reinforced seams to prevent leaks during vigorous workouts.
Multi-Scenario Fitness Tool
Perfect for home drills, school PE classes, or kindergarten motor skill development—trains arms, shoulders, and core stability.
Compact & Portable
Space-saving oval shape (12" length) stores easily; includes quick-drain valve for hassle-free refills and cleaning.
Educational Play Integration
Encourages STEM learning through physics exploration (weight/volume concepts) while boosting coordination.
Wholesale-Optimized
Bulk-packed in crush-resistant cartons (50 units/pallet) for resellers—retail-ready with multilingual safety labels.