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.
Learn about computer coding with LEGO. Check out LEGO Hour of Code. Make a DIY LEGO coding game. Build Bit the Bot. Learn about the ASCII Binary Alphabet and write code with LEGO bricks. Hands on LEGO computer coding activities with