the child to help fill in details by asking specific questions, such as "does the inchworm go fast or slow?". 18 months and up: encourage the child to link the blocks into a tower or row. name a color or shape, and ask the child to point to all the pieces that fit the group. help the child link the blocks to create different forms, such as a circle, wiggly line, or pyramid. create a color sequence by linking blocks of different colors, then ask the child to continue the chain and repeat the pattern. 