Fisher-Price Think & Learn Code-a-Pillar 90&deg; Right Turn Add-on One add-on command segment instructs Code-a-Pillar to turn right 90 degrees Easy to connect anywhere on the Code-a-Pillar Collect all the single, add-on packs and expansion 3-packs to make the Code-a-Pillar grow and go even further! Preschoolers can explore for even more combination Open-ended play and possibilities!