fort building. your child will learn how to use tools and materials to solve an engineering problem. science. level 4: 3 - 4 years. 30m. filtered (1) filters clear filters ×. science ×. counting cardinality ×. operations and algebraic thinking ×. tools, tech, engineering ×. 10m ×. 30m ×. level 4: 3 - 4 years ×. math(7). science(1). tools, tech, engineering(1). life science(1). earth science(1). scientific concepts(1). 30m(1). level 4: 3 - 4 years(1). level 3: 19 - 36 months(1). science and inquiry(1). searchsearch× show (1) cancel clear filters ×. science ×. counting cardinality ×. operations and algebraic thinking ×. tools, tech, engineering ×. 10m ×. 30m ×. level 4: 3 - 4 years ×. fort building. your child will learn how to use tools and materials to solve an engineering problem. science. level 4: 3 - 4 years. 30m.