This blast tube is a kind of sensory toy. When stretching and contracting, it attracts the attention of children with ADHD and gives people a feeling of attraction.Product description 1. Children can stretch, build, connect, rotate, bend and create a new way of playing the popular tube 2. Enriched their imagination and creativity, thereby enhancing their fingers and hands-on ability. 3. Children can create many shapes from them and match the desired colors.Features: Sturdy and practical. Not easily broken by children.Product attribute Material: plastic Specification: 4pcs, 12pcs Color: colorWarm reminder 1. Please remember that due to the lighting effects, the monitor's brightness / contrast settings / etc's, there will be some slight differences in the color of the pictures and the actual items. Measured by hand, deviations of 1-2 cm are possible. 2. Please leave us a message if you have any questions. We will respond and offer you our best service.