Alphabet Sift and Find - check out this seriously fun and easy toddler activity! It's a combination of literacy and sensory fun - an alphabet learning activity for toddlers and preschoolers. (september activities for toddlers)
DIY Sand and Rock Box by FSPDT. Gdjk -> made this with toilet rolls (aka tunnels) and moon sand instead of play sand. My son loved playing with it. The moon sand cleans up nicely indoors but play sand will be easier to play with when using the small cars.