Encourage your child’s natural curiosity with the Primary Science® Jumbo Test Tubes with Stand, an engaging and durable set designed for hands-on science experiments. Perfectly sized for little hands, these jumbo test tubes make learning about measurements, volume, and materials exciting and interactive. Whether experimenting with water, oil, pebbles, sand, or sugar, this set provides endless opportunities for scientific discovery—the only limit is your child’s imagination! https://www.sensoryed