Learning Resources Baby Bear Balance Set, Weights & Counters Explore volume and compare solids and liquids with this sturdy bucket balance, including weights and counters Build observation and estimation skills while gaining a deeper understanding of mass measurement Calibrated clear buckets with removable lids hold solids or up to 400 ml of liquid Includes 102 Baby Bear Counters in 6 bright colors; bears weigh 4 g each Ideal for ages 3+