大型試管含支架

The rubber stoppers fit snugly, which lets my toddler shake them without any spills. The sturdy stand keeps everything organized during our afternoon experiments.

My kids love using these for simple science experiments at home, and the stand is a big help since it keeps everything organized. The thick plastic feels secure enough for little hands to handle without worry.

The thick plastic feels durable enough for my toddler to handle, and the included stand makes cleanup simple after our kitchen sink experiments.