MDF Wheel, 6mm thick fibre board, 34mm and come with drilled centre holes for 4mm dowel, There are also available in 54mm and 74mm or you can order a mix bag
A hands-on volcano model building project complete with safe, simulated lava eruptions. Learn all about types of volcanoes, parts of a volcano, how volcanoes function, and precious gems volcanoes may produce. Kit includes enough materials for 24 students, Meets national standards
Practi-Mini Math* CD module, adjunct to Practi-Mini Vial, Practi-Mini Tint Vial, and nine accompanying Practi-Peel-N-Stick Labels, educator a unique blend of classroom study, testing, and assessment using more than 200 clinical questions and answers