LEGO Dacta The LEGO Dacta sets on these pages are designed for classrooms. There are giant sets suitable for many children, accessory sets, and curriculum ideas. Although these sets are made for schools, they are great for families. Many pieces and sets are not available through LEGO's retail line or are a great value. All the scales of LEGO are available in the Dacta line: Baby, Duplo, System, and Technic. 0-36 Months Baby Sets 18 Months & Up Duplo Sets 3 years and up System Sets 3 years and up Soft Sets 8 years and up Technic Sets Tables and Tubs Accessories