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.
Sensory table Check out this THREADING STATION! An awesome quiet time toddler activity that's perfect for indoor days. An easy indoor activity for toddlers that also doubles as sensory and fine motor skills play!