Simulate protein synthesis at your own pace, allowing time for questions and discussion with this terrific, hands-on product. Students are given a unique DNA sequence to assemble and identify. The smaller size models allow students to work independently at their desks. The large teacher manipulatives attach to the blackboard or whiteboard and can be seen easily from a distance. A teacher's key is included for easy verification. All models are designed and made for repeated use. Complete instructions and a how-to CD-ROM are included.