New: rainbowscienceAll contenthive-129948hive-196917krhive-150122hive-180932hive-185836zzansteemhive-183959hive-144064hive-183397hive-188619hive-101145hive-145157uncommonlabhive-166405hive-180301hive-139150photographyhive-109690hive-103599photobitcoinsteem-atlaslifeTrendingNewHotLikersdanimango (25)in rainbowscience • 7 years agoWalking rainbowsimply fill 3/4 containers with food colouring and water. Fold tissue/kitchen roll and place it dipped between two colours. Watch as the colours mix and learn a little about absorption.