Delta Education Primary Pan Balance with 15-Piece Weight Set, designed for grades pre-K to 6. This STEM toy is perfect for teaching basic measurement concepts, mass, and balance. The set includes large, translucent, calibrated, 1-litre pans, compensator clips for accurate measurements, and stackable weights (5 x 1g, 5 x 5g, 5 x 10g) which can be stored in the base. Made of durable, washable plastic and measures 24.4" (62 cm) Length x 13" (33 cm) Height. The item is still in its original packaging, indicating its new condition. Made in India for SI Manufacturing.