Bring out the future scientist in your family with this Primary Science sensory tubes. They will have your child engaged in exploring different things all day long. The plastic sensory tubes enhance their senses and observation. They can place dirt leaves food even small creatures in these make-believe labs. Each of the four tubes come with matching lids and each has its own designated color. The tubes are plastic so it is safe for your young ones to play with. Lids can be placed on the top or the bottom. They come off or go on easily with just a twist. Liquids can be placed inside the tubes and kept securely without any spills or leaks. It is ideal for children ages two and up. Your child will enjoy smelling investigating and tasting with their scientific experiments.