6 models per set
Age 8 and up
Used to explore geo shapes and the volume ratios.
Open bottom for easily filling with water or flowing solid to recognize the volume ratio.

適用年齡: 8歲以上
可用來探測幾何形狀和體積的比率底部沒有封閉,容易將水和小物件倒近模型裡,可藉由此來了解體積間的比率