Sensory Bag for Baby - Plain Vanilla Mom. Zip-top bag(s), hair gel, toys like rubber frogs and Silly Bandz, duct tape. (And supervision).
Separating colors excellent fine motor control activity by greta
play tubes with pvc pipe and suction cups- outdoor water wall perhaps?
Science for Kids: Teach balance with a hanger! Balance is math, not science
Put bolts through holes and twist nut on other side - Vocational task box