There are lot of event organizers who offer different packages with experienced instructors for any group size from children to adult who love to participate in creating their own unique piece of art. Just check whether they are right person whom you are approaching and fit right into your pocket with best masterpiece you had ever seen before. All the materials will be provided by them from glass to pebbles, animals and plants in which ever you are interested. Just have a word with them if they can organize the event at your door step or any other location such as work station or home or any birthday parties or social gatherings to help people come together and bind for team building.
Whether you want to gather a big crowd or small crowd? Choose the best terrarium maker who conducts workshops with best supporting staff to customize your whole event accordingly with all the basic needs required. If they are professional then they will organize the event according to your taste and will respond within short time with full quotation as how much it would cost you? Although they are efficient to run the event just be prepared to be part of it for team collaboration that gives you fun and adventure with creativity and imagination of your own, otherwise use their techniques to implement in creating your masterpiece. If you want to add-on something else then let them know in advance to arrange the event or just mail them