Educational kit with 4 Mouse robots

The educational kit with 4 robots.
Contents of the kit:
• 4 programmable mouse robots.
• 16 board pieces.
• 22 maze walls.
• 3 tunnels.
• 4 x 30 double-sided coding cards.
• 10 double-sided maze activity sheets.
• A piece of plastic cheese.
• An activity guide.
• 12 AAA / R03 batteries.