diff --git a/src/components/ComponentConfiguration.stories.tsx b/src/components/ComponentConfiguration.stories.tsx
index 62f0531b..44f9a35d 100644
--- a/src/components/ComponentConfiguration.stories.tsx
+++ b/src/components/ComponentConfiguration.stories.tsx
@@ -777,6 +777,10 @@ export const FileUpload: Story = {
     component: {
       id: 'kiweljhr',
       storage: 'url',
+      webcam: false,
+      options: {
+        withCredentials: true,
+      },
       url: '',
       type: 'file',
       key: 'file',
@@ -900,3 +904,35 @@ export const FileUpload: Story = {
     });
   },
 };
+
+export const SelectBoxes: Story = {
+  render: Template,
+  name: 'type: selectboxes',
+
+  args: {
+    component: {
+      id: 'wqimsadk',
+      type: 'selectboxes',
+      key: 'selectboxes',
+      label: 'A selectboxes field',
+      openForms: {
+        dataSrc: 'manual',
+        translations: {},
+      },
+      values: [],
+      defaultValue: {},
+    },
+
+    builderInfo: {
+      title: 'Select Boxes',
+      icon: 'plus-square',
+      group: 'basic',
+      weight: 60,
+      schema: {},
+    },
+  },
+
+  play: async ({canvasElement, step, args}) => {
+    const canvas = within(canvasElement);
+  },
+};
diff --git a/src/registry/selectboxes/edit-validation.ts b/src/registry/selectboxes/edit-validation.ts
new file mode 100644
index 00000000..24405eb7
--- /dev/null
+++ b/src/registry/selectboxes/edit-validation.ts
@@ -0,0 +1,25 @@
+import {IntlShape} from 'react-intl';
+import {z} from 'zod';
+
+import {buildCommonSchema, jsonSchema, optionSchema} from '@/registry/validation';
+
+const manualValuesSchema = z.object({
+  openForms: z.object({
+    dataSrc: z.literal('manual'),
+  }),
+  values: optionSchema.array().min(1),
+});
+
+const variableValuesSchema = z.object({
+  openForms: z.object({
+    dataSrc: z.literal('variable'),
+    // TODO: wire up infernologic type checking
+    itemsExpression: jsonSchema,
+  }),
+});
+
+const valuesSchema = manualValuesSchema.or(variableValuesSchema);
+
+const schema = (intl: IntlShape) => buildCommonSchema(intl).and(valuesSchema);
+
+export default schema;
diff --git a/src/registry/selectboxes/edit.tsx b/src/registry/selectboxes/edit.tsx
new file mode 100644
index 00000000..3750d991
--- /dev/null
+++ b/src/registry/selectboxes/edit.tsx
@@ -0,0 +1,158 @@
+import {SelectboxesComponentSchema} from '@open-formulieren/types';
+import {useFormikContext} from 'formik';
+import {FormattedMessage, useIntl} from 'react-intl';
+
+import {
+  BuilderTabs,
+  ClearOnHide,
+  Description,
+  Hidden,
+  IsSensitiveData,
+  Key,
+  Label,
+  PresentationConfig,
+  Registration,
+  SimpleConditional,
+  Tooltip,
+  Translations,
+  Validate,
+  ValuesTable,
+  useDeriveComponentKey,
+} from '@/components/builder';
+import {LABELS} from '@/components/builder/messages';
+import {TabList, TabPanel, Tabs} from '@/components/formio';
+import {getErrorNames} from '@/utils/errors';
+
+import {EditFormDefinition} from '../types';
+
+/**
+ * Form to configure a Formio 'selectboxes' type component.
+ */
+const EditForm: EditFormDefinition<SelectboxesComponentSchema> = () => {
+  const intl = useIntl();
+  const [isKeyManuallySetRef, generatedKey] = useDeriveComponentKey();
+  const {values, errors} = useFormikContext<SelectboxesComponentSchema>();
+
+  const erroredFields = Object.keys(errors).length
+    ? getErrorNames<SelectboxesComponentSchema>(errors)
+    : [];
+  // TODO: pattern match instead of just string inclusion?
+  // TODO: move into more generically usuable utility when we implement other component
+  // types
+  const hasAnyError = (...fieldNames: string[]): boolean => {
+    if (!erroredFields.length) return false;
+    return fieldNames.some(name => erroredFields.includes(name));
+  };
+
+  Validate.useManageValidatorsTranslations<SelectboxesComponentSchema>(['required']);
+
+  return (
+    <Tabs>
+      <TabList>
+        <BuilderTabs.Basic
+          hasErrors={hasAnyError(
+            'label',
+            'key',
+            'description',
+            'tooltip',
+            'showInSummary',
+            'showInEmail',
+            'showInPDF',
+            'hidden',
+            'clearOnHide',
+            'isSensitiveData',
+            'openForms.dataSrc',
+            'openForms.itemsExpression',
+            'values',
+            'defaultValue'
+          )}
+        />
+        <BuilderTabs.Advanced hasErrors={hasAnyError('conditional')} />
+        <BuilderTabs.Validation hasErrors={hasAnyError('validate')} />
+        <BuilderTabs.Registration hasErrors={hasAnyError('registration')} />
+        <BuilderTabs.Translations hasErrors={hasAnyError('openForms.translations')} />
+      </TabList>
+
+      {/* Basic tab */}
+      <TabPanel>
+        <Label />
+        <Key isManuallySetRef={isKeyManuallySetRef} generatedValue={generatedKey} />
+        <Description />
+        <Tooltip />
+        <PresentationConfig />
+        <Hidden />
+        <ClearOnHide />
+        <IsSensitiveData />
+        <ValuesTable<SelectboxesComponentSchema> name="values" />
+        {/*<DefaultValue multiple={!!values.multiple} />*/}
+      </TabPanel>
+
+      {/* Advanced tab */}
+      <TabPanel>
+        <SimpleConditional />
+      </TabPanel>
+
+      {/* Validation tab */}
+      <TabPanel>
+        <Validate.Required />
+        <Validate.ValidatorPluginSelect />
+        <Validate.ValidationErrorTranslations />
+      </TabPanel>
+
+      {/* Registration tab */}
+      <TabPanel>
+        <Registration.RegistrationAttributeSelect />
+      </TabPanel>
+
+      {/* Translations */}
+      <TabPanel>
+        <Translations.ComponentTranslations<SelectboxesComponentSchema>
+          propertyLabels={{
+            label: intl.formatMessage(LABELS.label),
+            description: intl.formatMessage(LABELS.description),
+            tooltip: intl.formatMessage(LABELS.tooltip),
+          }}
+        />
+      </TabPanel>
+    </Tabs>
+  );
+};
+
+EditForm.defaultValues = {
+  // basic tab
+  label: '',
+  key: '',
+  description: '',
+  tooltip: '',
+  showInSummary: true,
+  showInEmail: false,
+  showInPDF: true,
+  hidden: false,
+  clearOnHide: true,
+  isSensitiveData: false,
+  openForms: {
+    dataSrc: 'manual',
+    translations: {},
+  },
+  values: [{value: '', label: ''}],
+  // TODO: check that the initial values are set based on component.values
+  // TODO: at some point we can allow an itemsExpression for this too
+  defaultValue: {},
+  // Advanced tab
+  conditional: {
+    show: undefined,
+    when: '',
+    eq: '',
+  },
+  // Validation tab
+  validate: {
+    required: false,
+    plugins: [],
+  },
+  translatedErrors: {},
+  registration: {
+    attribute: '',
+  },
+};
+
+export default EditForm;
diff --git a/src/registry/selectboxes/index.ts b/src/registry/selectboxes/index.ts
index 8178ec42..76237530 100644
--- a/src/registry/selectboxes/index.ts
+++ b/src/registry/selectboxes/index.ts
@@ -1,10 +1,11 @@
-// import EditForm from './edit';
-// import validationSchema from './edit-validation';
+import EditForm from './edit';
+import validationSchema from './edit-validation';
 import Preview from './preview';
 
 export default {
-  // edit: EditForm,
-  // editSchema: validationSchema,
+  edit: EditForm,
+  editSchema: validationSchema,
   preview: Preview,
-  // defaultValue: '',
+  // default empty value for Formik - this ignores any manually configured options!
+  defaultValue: {},
 };
diff --git a/src/registry/selectboxes/preview.tsx b/src/registry/selectboxes/preview.tsx
index fae2ecda..c84bd15b 100644
--- a/src/registry/selectboxes/preview.tsx
+++ b/src/registry/selectboxes/preview.tsx
@@ -7,7 +7,8 @@ import {CheckboxInput} from '@/components/formio/checkbox';
 
 import {ComponentPreviewProps} from '../types';
 
-// FIXME: this union does not seem to be properly inferred :(
+// A type guard is needed because TS cannot figure out it's a discriminated union
+// when the discriminator is nested.
 const checkIsManualOptions = (
   component: SelectboxesComponentSchema
 ): component is SelectboxesComponentSchema & {values: Option[]} => {
diff --git a/src/registry/validation.ts b/src/registry/validation.ts
index f49e6171..4704eb55 100644
--- a/src/registry/validation.ts
+++ b/src/registry/validation.ts
@@ -74,6 +74,31 @@ export const buildCommonSchema = (intl: IntlShape) =>
     key: buildKeySchema(intl),
   });
 
+// From https://zod.dev/?id=json-type
+const literalSchema = z.union([z.string(), z.number(), z.boolean(), z.null()]);
+type Literal = z.infer<typeof literalSchema>;
+type Json = Literal | {[key: string]: Json} | Json[];
+export const jsonSchema: z.ZodType<Json> = z.lazy(() =>
+  z.union([literalSchema, z.array(jsonSchema), z.record(jsonSchema)])
+);
+
+// Maps to @open-formulieren/types common.ts Option type.
+const optionTranslationSchema = z.object({
+  label: z.string(),
+});
+
+export const optionSchema = z.object({
+  value: z.string(),
+  label: z.string(),
+  openForms: z
+    .object({
+      // zod doesn't seem to be able to use our supportedLanguageCodes for z.object keys,
+      // they need to be defined statically. So, 'record' it is.
+      translations: z.record(optionTranslationSchema.optional()),
+    })
+    .optional(),
+});
+
 /*
 Helpers
  */
diff --git a/src/utils/errors.tsx b/src/utils/errors.tsx
index c630cfec..634c2361 100644
--- a/src/utils/errors.tsx
+++ b/src/utils/errors.tsx
@@ -7,6 +7,11 @@ export function getErrorNames<Values = unknown>(errors: FormikErrors<Values>): s
   Object.entries(errors).forEach(([key, nested]) => {
     if (Array.isArray(nested)) {
       const nestedNames = nested.map((item, index) => {
+        // ArrayField and arrayHelpers does some questionable things, see Github issue:
+        // https://github.com/jaredpalmer/formik/issues/1811#issuecomment-552029935
+        if (item === undefined) {
+          return [];
+        }
         if (typeof item === 'string') {
           if (item) {
             return [`${key}.${index}`];