These are modular, linearly connecting buildplates, on which you can construct your own Sonic the Hedgehog video game levels in real life, perfect for display on a window sill. Check out the assortment of compatible blocks and items so far.

Though the connectors are not compatible with official Jakks Sonic the Hedgehog toys, they scale well with this system.

The plates are based on a 4cm grid, with square 13mm pegs on each square, onto which various level blocks and items can be pegged. These flat versions are designed to support the items on them invisibly due to slanted sides that are not visible when seen at an angle of 45 degrees from above.