Learning Resources Gears! Gears! Gears! Deluxe Building Set (about $22 at the time of publication) Lakeshore Turn & Learn Magnetic Gears ($30 at the time of publication) The Learning Resources Gears!
They can turn the included tissue paper ... but the playful possibilities are nearly endless. Lakeshore Learning Design & Build Water Blocks (about $20 at the time of publication) Move over ...