Interlocking blocks. Compatible with Lego blocks. 223 pieces. Note that there are 15 pieces missing - refer to the CIRCLED images on the item list. Also note that the Ferris wheel shown on the picture is not included in this kit. Good used condition. Smoke & Pet free home NO BUNDLING DUE TO WEIGHT 💵MAKE AN OFFER💵 6 lbs. Toys 1️⃣1️⃣