1.5 lbs Squishy Moldable Sand - Soft Sensory Play Sand for Kids, Stress Relief & Creative Sculpting | Perfect for Playtime, Therapy & DIY Crafts

We have those in the house in a tub for indoor play. My son loves it. We do this in the kitchen for easier cleanup because a little bit usually gets out of the bucket. It's really not bad though. He really enjoys it though and the sand really forms when he wants to make things